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Cell Membrane structure and function Flashcards

Cell organelles, their function; cell membrane structure and functions

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616901372Phospholipidmolecule that has both a hydrophillic region and hydrophobic region1
616901373Phospholipid bilayera double layer of phospholipids that makes up a plasma membrane2
616901374Integral ProteinsProteins that extend through the phospholipid bilayer.3
616901375Peripheral ProteinsA protein loosely attached to the surface of a membrane4
616901376Selective PermeabilityAllows some substances to cross more easily than others5
616901377Diffusionthe movement of molecules from an area of higher concentration to an area of lower concentration, so that they spread out evenly reaching equilibrium6
616901378OsmosisThe diffusion of water across a selectively permeable membrane7
616901379Concentration Gradienta difference in the concentration of a substance across a space8
616901380Transport Proteinsproteins that help to transport substances across cell membranes9
616901381Passive Transportmovement of materials through a cell membrane without using energy10
616901382Isotonica solution whose solute concentration equals that inside a cell; the cell will not change11
616901383Hypertonicthe solution with the greater concentration of solutes than that inside the cell; the cell will lose water to its environment--> Cell will shrivel up12
616901384Hypotonicthe solution with the lower concentration of solutes than that inside the cell; water will enter the cell -> Cell will swell and burst13
616901385Facilitated Diffusionpassive transport of ions or polar molecules across a plasma membrane by transport proteins14
616901386Active Transporttransport of a substance through a cell membrane against the concentration gradient; requires energy15
616901387Sodium-Potassium Pumpa carrier protein that uses ATP to transport sodium ions out of a cell and potassium ions into the cell against the concentration gradient; active transport, requires energy16
616901388Exocytosisprocess by which a cell releases large amounts of material by vesicles17
616901389Endocytosisthe movement of a substance into a cell by a vesicle18
616901390Prokaryotic cellcell lacking a nucleus and most other organelles; found only in bacteria19
616901391Eukaryotic cellcell with a nucleus (surrounded by its own membrane) and other membrane-bound organelles20

Chapter 1 - Tools of Geometry Flashcards

Basic geometry vocabulary that you MUST know.

Terms : Hide Images
839936590PointA location in space that has no length, width, or depth.1
839936591LineMade up of an infinite number of points. Has infinite length, but no thickness or width.2
839949734PlaneA flat surface that has infinite length and width, but no depth.3
839953059Line SegmentA part of a line between two points.4
839951951Collinear PointsPoints on the same line or line segment.5
839957488RayPart of a line that starts at one point and goes infinitely in one direction.6
839958775AngleFormed by two rays that meet at an endpoint or formed by two intersecting lines. Measured in degrees.7
839960105VertexThe endpoint where two rays meet to form an angle.8
839963555Right AngleAn angle that measures 90 degrees.9
841058879Straight AngleAn angle that measures 180 degrees.10
839963556Acute AngleAn angle that measures between 0 and 90 degrees.11
839966079Obtuse AngleAn angle that measures between 90 and 180 degrees.12
839969620CongruentTwo or more figures that are the same size and shape. Sides are equal in length and angles are equal in measure.13
839969621Line BisectorCuts a line segment into two congruent segments.14
839969622Angle BisectorCuts an angle into two congruent angles.15
839970652Adjacent AnglesAngles that share only one side and a vertex, but have no common interior points.16
841060984Linear PairTwo adjacent angles formed by the intersection of two lines. These angles are supplementary (add to 180 degrees).17
841065228Vertical AnglesTwo non-adjacent angles formed by two intersecting lines - across from each other. (<1 and <3 or <2 and <4)18
841066922Complementary AnglesTwo angles whose measures add to 90 degrees.19
841066923Supplementary AnglesTwo angles whose measures add to 180 degrees.20
841068690ParallelTwo lines in a plane that never meet21
841068691PerpendicularTwo lines in a plane that intersect at right angles22
841071421PolygonA closed figure formed by three or more line segments that intersect only at their endpoints.23
841073710Regular PolygonA polygon with equal angles and equal sides.24
841078180PerimeterThe sum of the lengths of the sides of a polygon.25
841078181CircumferenceThe distance around a circle.26
841078182Areathe number of square units needed to cover a flat surface27
841082126Prism28
841082127Pyramid29
841082128Cylinder30
841082129Cone31
841082130Sphere32
841091264Surface AreaThe total area of the surface of a three-dimensional object33
841091266VolumeThe amount of space enclosed by a solid (three-dimensional) figure.34

Chapter 1 - Tools of Geometry Flashcards

Basic geometry vocabulary that you MUST know.

Terms : Hide Images
839936590PointA location in space that has no length, width, or depth.1
839936591LineMade up of an infinite number of points. Has infinite length, but no thickness or width.2
839949734PlaneA flat surface that has infinite length and width, but no depth.3
839953059Line SegmentA part of a line between two points.4
839951951Collinear PointsPoints on the same line or line segment.5
839957488RayPart of a line that starts at one point and goes infinitely in one direction.6
839958775AngleFormed by two rays that meet at an endpoint or formed by two intersecting lines. Measured in degrees.7
839960105VertexThe endpoint where two rays meet to form an angle.8
839963555Right AngleAn angle that measures 90 degrees.9
841058879Straight AngleAn angle that measures 180 degrees.10
839963556Acute AngleAn angle that measures between 0 and 90 degrees.11
839966079Obtuse AngleAn angle that measures between 90 and 180 degrees.12
839969620CongruentTwo or more figures that are the same size and shape. Sides are equal in length and angles are equal in measure.13
839969621Line BisectorCuts a line segment into two congruent segments.14
839969622Angle BisectorCuts an angle into two congruent angles.15
839970652Adjacent AnglesAngles that share only one side and a vertex, but have no common interior points.16
841060984Linear PairTwo adjacent angles formed by the intersection of two lines. These angles are supplementary (add to 180 degrees).17
841065228Vertical AnglesTwo non-adjacent angles formed by two intersecting lines - across from each other. (<1 and <3 or <2 and <4)18
841066922Complementary AnglesTwo angles whose measures add to 90 degrees.19
841066923Supplementary AnglesTwo angles whose measures add to 180 degrees.20
841068690ParallelTwo lines in a plane that never meet21
841068691PerpendicularTwo lines in a plane that intersect at right angles22
841071421PolygonA closed figure formed by three or more line segments that intersect only at their endpoints.23
841073710Regular PolygonA polygon with equal angles and equal sides.24
841078180PerimeterThe sum of the lengths of the sides of a polygon.25
841078181CircumferenceThe distance around a circle.26
841078182Areathe number of square units needed to cover a flat surface27
841082126Prism28
841082127Pyramid29
841082128Cylinder30
841082129Cone31
841082130Sphere32
841091264Surface AreaThe total area of the surface of a three-dimensional object33
841091266VolumeThe amount of space enclosed by a solid (three-dimensional) figure.34

Geometry Chapter 3 Vocabulary Flashcards

Terms : Hide Images
108760185alternate exterior anglesTwo nonadjacent exterior angles that lie on opposite sides of a transversal.108760185
108760186alternate interior anglesTwo nonadjacent interior angles that lie on opposite sides of a transversal.108760186
108760187axis of symmetryA line that divides a planar figureinto two congruent reflected halves.108760187
108760188center of a regular polygonThe point that is equidistant from all vertices of a polygon.108760188
108760189central angle of a regular polygonAn angle formed by two rays originating from the center of a circle.108760189
108760190concave polygonA polygon that is not convex.108760190
108760191convex polygonA polygon in which any line segment connecting two points of the polygon has no part outside the polygon.108760191
108760192corresponding anglesTwo nonadjacent angles, one interior and one exterior, that lie on the same side of a transversal.108760192
108760193equiangular polygonA polygon in which all angles are congruent.108760193
108760194equilateral polygonA polygon in which all sides are congruent.108760194
108760195midsegment of a trapezoidA line connecting the midpoints of the two nonparallel segments of a trapezoid.108760195
108760196midsegment of a triangleA segment whose endpoints are the midpoints of two sides.108760196
108760197polygonA closed plane figure formed from three or more segments such that each segment intersects exactly two other segments, one at each endpoint and no two segments with a common endpoint are collinear.108760197
108760198parallelogramA quadrilateral with two pairs of parallel sides.108760198
108760199quadrilateralA polygon with four sides108760199
108760200rectangleA quadrilateral with four right angles.108760200
108760201reflectional symmetryA plane figure has reflectional symmetry if its reflection image across a line coincides with the preimage, the original figure.108760201
108760202regular polygonA polygon that is both equilateral and equiangular.108760202
108760203remote interior angleAn interior angle of a triangle that is not adjacent to a given exterior angles.108760203
108760204rhombusA quadrilateral with four congruent sides.108760204
108760205rotational symmetryA figure has rotational symmetry if and only if it has at least one rotation image, not counting rotation images of 0˚ or multiples of 360˚, that coincides with the original figure.108760205
108760206same-side interior anglesInterior angles that lie on the same-side of a transversal.108760206
108760207slopeThe ratio of rise to run for a segment; the slope of a nonvertical line that contains the points (x1, y1) is the ratio (y2-y1/x2-x1)108760207
108760208squareA quadrilateral with four congruent sides and four right angles.108760208
108760209transversalA line, ray, or segment that intersects two or more coplanar lines, rays, or segments, each at a different point.108760209
108760210trapezoidA quadrilateral with one and only one pair of parallel sides.108760210
108767424Corresponding Angles PostulateIf two lines cut by a transversal are parallel, then corresponding angles are congruent.108767424
108767425Alternate Interior Angles TheoremIf two lines cut by a transversal are parallel, then alternate interior angles are congruent.108767425
108767426Alternate Exterior Angles TheoremIf two lines cut by a transversal are parallel, then same-side interior angles are supplementary.108767426
108767427Theorem:Converse of the Corresponding Angles PostulateIf two lines are cut by a transversal in such a way that corresponding angles are congruent, then the two lines are parallel.108767427
108767428Converse of the Same-Side Interior Angles TheoremIf two lines are cut by a transversal in such a way that same-side interior angles are supplementary, then two lines are parallel.108767428
108767429Converse of the Alternate Interior Angles TheoremIf two lines are cut by a transversal in such a way that alternate interior angles are congruent, then the two lines are parallel.108767429
108767430TheoremIf two coplanar lines are perpendicular to the same line, then two lines are parallel.108767430
108767431TheoremIf two lines are parallel to the same line, then the two lines are parallel.108767431
108767432The Parallel PostulateGiven a line and a point not on the line, there is one and only on line that contains the given point and is parallel to the given line.108767432
108767433Triangle Sum TheoremThe sum of the measures of the angles of a triangle is 180˚.108767433
108767434Exterior Angle TheoremThe measure of an exterior angle of a triangle is equal to the sum of the measures of the remote interior angles.108767434
108767435Sum of the Interior Angles of a PolygonThe sum,s, of the measures of the interior angles of a polygon with n sides is given by s = (n-2)180˚.108767435
108767436The Measure of an Interior Angle of a Regular PolygonThe measure, m, of an interior angle of a regular polygon with n sides is m=180˚-360/n.108767436
108767437Sum of the Exterior Angles of a PolygonThe sum of the measures of the exterior angles of a polygon is 360˚.108767437
108767438Parallel Lines TheoremIn a coordinate plane, two nonvertical lines are parllel if and only if they have the same slope.108767438
108767439Perpendicular Lines TheoremIn a coordinate plane, two nonvertical lines are perpendicular if and only if the product of their slopes is -1.108767439
109437795Converse of the Alternate Exterior Angles TheoremIf 2 lines are cut by a transversal in such a way that alternate exterior angles are congruent.109437795

Global Ecology Flashcards

global ecology

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581398765Biospherethe regions of the Earth's waters, crust, and atmosphere inhabited by living organisms1
581398766Ecosystema place where organisms interact between each other and their environment2
581398767Terrestrialseveral distinct types based on temperature and waterfall3
581398768Aquaticfreshwater and marine4
581398769Forests1.dominated by trees 2.Tropical rain forest 3.Coniferous forests (taiga) 4.Temperate deciduous forests5
581398770Grasslands1.dominated by grass 2.Tropical grasslands 3.Temperate grasslands (prairie)6
581398771Deserts1.characterized by lack of available moisture 2.Tundra 3.Deserts7
581398772Marine1.Seashores 2.Oceans 3.Coral reefs 4.Estuaries8
581398773Freshwater1.Lakes 2.Ponds 3.Rivers 4.Streams9
581398774Autotrophsproducers10
581398775Heterotrophsconsumers11
581398776Nichethe role an organism plays in an ecosystem such as how it gets its food, what it eats, and how it interacts with other organisms12
581398777Energy flow1.Begins and continues when producers absorb solar energy 2.Occurs as nutrients pass from one population to another 3.This energy is converted to heat that dissipates into the environment 4.Only a portion of energy is passed to organisms as they consume one another13
581398778Chemical cycling1.Inorganic nutrients are returned to producers from the atmosphere or soil 2.Chemicals recycle within and between ecosystems14
581398781Food webdescribes who eats whom15
581398782Trophic levelscomposed of all organisms that feed at a particular link in the food chain -- Producers, primary consumers, and secondary consumers16
581398783Ecological pyramidreflects the loss of energy from one trophic level to another --Only about 10% of the energy of one trophic level is available to the next trophic level17
581398784Biogeochemical cyclesare pathways by which chemicals circulate through an ecosystem including both living and nonliving components 1.Water cycle 2.Carbon cycle 3.Nitrogen cycle 4.Phosphorus cycle18
581398785Reservoirfossil fuels, minerals in rocks, and sediment in oceans that contain inorganic nutrients that are limited in availability19
581398788Exchange poolsatmosphere, soil, and water that are ready sources of inorganic nutrients20
581398790Water Cycle--Water evaporates from the bodies of water, land, and plants and returns when water falls on land to enter the ground, surface waters, or aquifers Evaporation: Water goes from liquid to gaseous form due to heat from the sun 1.Transpiration: Evaporation from plants 2.Condensation: Water goes from gaseous to liquid form 3.Precipitation: Falling precipitation- rain, snow, sleet, hail, fog 4.Runoff: Overland flow of water due to gravity 5.Percolation: Water sinks into the ground 6.Aquifer: Underground rock layers that contain water21
581398792Human impacts on the water cycle1.Withdraw water from aquifers 2.Clear vegetation from the land and build structures that prevent percolation and increase runoff 3.Add pollutants to water such as sewage and chemicals22
581398794Carbon cycle1.CO2 is exchanged between the atmosphere and living organisms 2.Plants incorporate atmospheric CO2 into nutrients through photosynthesis that can be used by living organisms 3.CO2 is returned to the atmosphere through respiration23
581398798Human impacts on the carbon cycle1.Burning of fossil fuels and the destruction of forests are depositing CO2 to the atmosphere faster than it is being removed 2.CO2 and other gases (N2O and CH4) are being emitted due to human activities 3.These gases are called greenhouse gases because they trap heat that contributes to global warming24
581398800Nitrogen cycle--78% of the atmosphere is nitrogen gas but it is not in a usable form by plants 1.Nitrogen-fixing bacteria convert nitrogen gas to ammonium that can be used by plants 2.Nitrifying bacteria convert ammonium to nitrate 3.Bacteria convert nitrate back to nitrogen gas through a process called dentrification25
581398803Human impacts on the nitrogen cycle1.We add nitrogen fertilizers that run off into lakes and streams that cause major fish kills by eutrophication 2.Burning of fossil fuels --puts nitrogen oxides and sulfur dioxide into the atmosphere where they combine with water vapor to form acids that return to earth as acid deposition --Result in nitrogen oxides and hydrocarbons that react with one another to produce smog26
581398805Phosphorus cycle1.Phosphate ions become available to living organisms by the slow weathering of rocks 2.Phosphate is a limiting nutrient in ecosystems27
581398808Human impacts on the phosphorus cycle1.Runoff of phosphate due to fertilizer and discharge from sewage treatment plants results in eutrophication 2.Sources of pollution: --Point source - specific sources --Nonpoint sources - runoff from land28

Ch. 1 New World Beginnings, American Pageant Flashcards

based on course-notes.org Ch. 1 Vocabulary Terms American Pageant 11th Edition
also themes of Ch. 1 American Pageant 13th Edition

Terms : Hide Images
586834468AztecsThe Aztecs were a Native American Empire who lived in Mexico. Their capital was Tenochtitlan. They worshiped everything around them especially the sun. Cortes conquered them in 1521.0
586834469Pueblo IndiansThe Pueblo Indians lived in the Southwestern United States. They built extensive irrigation systems to water their primary crop, which was corn. Their houses were multi-storied buildings made of adobe.1
586834470Joint Stock CompanyThese were developed to gather the savings from the middle class to support finance colonies. Ex. London Company and Plymouth Company.2
586834471Spanish Armada"Invincible" group of ships sent by King Philip II of Spain to invade England in 1588; Armada was defeated by smaller, more maneuverable English "sea dogs" in the Channel; marked the beginning of English naval dominance and fall of Spanish dominance.3
586834472black legendThe idea developed during North American colonial times that the Spanish utterly destroyed the Indians through slavery and disease while the English did not. It is a false assertion that the Spanish were more evil towards the Native Americans than the English were.4
586834473ConquistadoresSpanish explorers that invaded Central and South America for its riches during the 1500's. In doing so they conquered the Incas, Aztecs, and other Native Americans of the area. Eventually they intermarried these tribes.5
586834474RenaissanceAfter the Middle Ages there was a rebirth of culture in Europe where art and science were developed. It was during this time of enrichment that America was discovered.6
586834475Canadian Shieldgeological shape of North America; 10 million years ago; held the northeast corner of North America in place; the first part of North America to come above sea level. See 7
586834476Mound BuildersThe mound builders of the Ohio River Valley and the Mississippian culture of the lower Midwest did sustain some large settlements after the incorporation of corn planting into their way of life during the first millennium AD. The Mississippian settlement at Cohokia, near present-day East St. Louis, Ill., was perhaps home to 40,000 people in about AD 1100. But mysteriously, around the year 1300, both the Mound Builder and the Mississippian cultures had fallen to decline.8
586834477MontezumaAztec chieftain; encountered Cortes and the Spanish and saw that they rode horses; Montezuma assumed that the Spanish were gods. He welcomed them hospitably, but the explorers soon turned on the natives and ruled them for three centuries.9
586834478Christopher ColumbusAn Italian navigator who was funded by the Spanish Government (Isabella and Ferdinand) to find a passage to the Far East. He is given credit for discovering the "New World," even though at his death he believed he had made it to India. He made four voyages to the "New World." The first sighting of land was on October 12, 1492, and three other journeys until the time of his death in 1503.10
586834479Hernan CortesHe was a Spanish explorer who conquered the Native American civilization of the Aztecs in 1519 in what is now Mexico. Conquered the Aztecs at Tenochtitlan. Went from Cuba to present day Vera Cruz, then marched over mountains to the Aztec capital.11
586834480Francisco CoronadoA Spanish soldier and commander; in 1540, he led an expedition north from Mexico into Arizona; he was searching for the legendary Seven Cities of Gold (El Dorado), but only found Adobe pueblos.12
586834481Treaty of TordesillasIn 1494 Spain and Portugal were disputing the lands of the new world, so the Spanish went to the Pope, and he divided the land of South America for them. Spain got the vast majority, the west, and Portugal got the east.13
586834482MestizosThe Mestizos were the race of people created when the Spanish intermarried with the surviving Indians in Mexico.14
586834483Marco PoloItalian explorer; spent many years in China or near it; his return to Europe in 1295 sparked a European interest in finding a quicker route to Asia.15
586834484Francisco PizarroFrancisco Pizarro -- New World conqueror; Spanish conqueror who crushed the Inca civilization in Peru; took gold, silver and enslaved the Incas in 1532.16
586834485Juan Ponce de LeonSpanish Explorer; in 1513 and in 1521, he explored Florida, thinking it was an island. Looking for gold and the "fountain of youth", he failed in his search for the fountain of youth but established Florida as territory for the Spanish, before being killed by a Native American arrow.17
586834486Hernando de SotoSpanish Conquistador; explored in 1540's from Florida west to the Mississippi with six hundred men in search of gold; discovered the Mississippi, a vital North American river.18
586834487theme I (diversity)In the New World, before Columbus, there were many different Native American tribes. These people were very diverse. In what's today the U.S., there were an estimated 400 tribes, often speaking different languages. It's inaccurate to think of "Indians" as a homogeneous group.19
586834488theme II (New World)Columbus came to America looking for a trade route to the East Indies (Spice Islands). Other explorers quickly realized this was an entirely New World and came to lay claim to the new lands for their host countries. Spain and Portugal had the head start on France and then England.20
586834489theme III (biological exchange)The coming together of the two world had world changing effects. The biological exchange cannot be underestimated. Food was swapped back and forth and truly revolutionized what people ate. On the bad side, European diseases wiped out an estimated 90% of Native Americans.21
586834490main themeThe over-arching theme of chapter 1 is the Old World meeting and clashing with the New World.22
586861392Don Juan de Onatefollowed Coronado's old path into present day New Mexico. He conquered the Indians ruthlessly, maiming them by cutting off one foot of survivors just so they'd remember. Despite mission efforts, the Pueblo Indians revolted in Pope's Rebellion.23
586861393Robert de LaSallesailed down the Mississippi River for France claiming the whole region for their King Louis and naming the area "Louisiana" after his king. This started a slew of place-names for that area, from LaSalle, Illinois to "Louisville" and then on down to New Orleans (the American counter of Joan of Arc's famous victory at Orleans).24
587659199three sister farmingCorn grew in a stalk providing a trellis for beans, beans grew up the stalk, squash's broad leaves kept the sun off the ground and thus kept the moisture in the soil. Method used by Eastern Indians)25
587659200Hiawathalegendary leader of Iroquois Confederation26
587659201caravela ship with triangular sail that could better tack (zig-zag) ahead into the wind and thus return to Europe from Africa coast.27
587659202astrolabea sextant gizmo that could tell a ship's latitude.28
587659203Vasco Balboa"discovered" the Pacific Ocean across isthmus of Panama29
587659204Ferdinand Magellancircumnavigates the globe (1st to do so)30
587659205Hernando Cortesenters Florida, travels up into present day Southeastern U.S., dies and is "buried" in Mississippi River31
587659206John Cabot(an Italian who sailed for England) touched the coast of the current day U.S.32
587659207Giovanni de Verrazanoalso touched on the North American seaboard.33
587659208Jacques Cartierwent into mouth of St. Lawrence River (Canada).34

American Pageant_New World Beginnings Flashcards

APUSH American Pageant Unit 1 Chap1 New World Beginnings

Terms : Hide Images
1239778568The crop that became the staple of life in Mexico and South America wasCorn1
1239778569The groups that were responsible for slave trading in Africa long before the Europeans had arrived wereThe Arabs and the Africans2
1239778570The stage was set for a cataclysmic shift in the course of history whenEuropean clamored for more and cheaper products from Asia; Africa was established as a source of slave labor; the Portuguese demonstrated the feasibility of the long range ocean navigation; the Renaissance nurtured a spirit of optimism and adventure3
1239838150What contributed to the emergence of the new interdependent global economic system?Europe providing the market and the capital; Africa providing the labor; New World providing its raw materials; the advancement and improvement of technology4
1239838151European explorers introduced what to the New World?Smallpox5
1239838152By the 1770s what issue helped bring about a crisis of imperial authority?trade restrictions6
1239838153The colonists who ultimately embraced the vision of America as an independent nation had what characteristics in common?The desire to create an agricultural society; learning to live their lives unfettered by the tyrannies of royal authority, official religion, or social hierarchies7
1239838154What New World plants revolutionized the international economy?maize, poatoes, beans, and tomatoes8
1239838155Spain began to fortify and settle its North American border lands in order toprotect its Central and South American domains form encroachments by England and France9
1239838156The origins of the modern plantation system can be found inPortuguese slave trade10
1239838157In the last half of the fifteenth century some forty thousand Africans were forced into slavery by Portugal and Spain towork on plantations on the Atlantic sugar islands11
1239838158In 1492, when Europeans arrived in the Americas, the total of the two continents' populations was perhaps54 million12
1239838159Native American civilization was least highly developed inNorth America13
1239838160As a result of Pope's Rebellion in 1680the Pueblo Indians destroyed every Catholic church in province of New Mexico14
1239838161The Aztec Chief Moctezuma allowed Cortes to enter the capital of Tenochtitlan becauseMoctezuma believed that Cortes was the god Quetzalcoatl15
1239838162After his first voyage, Christopher Columbus believed that he hadsailed to the outskirts of the East Indies16
1239838163The existence of a single original continent has been proved by the presence ofthe discovery of nearly identical species of fish in long-separated freshwater lakes of various continents17
1239838164Which features were created in North America ten thousand years ago when the glaciers retreated?the Great Lakes, the Great Salt Lake, the mineral-rich desert, thousands of shallow depressions which formed lakes18
1239838165The size and sophistication of Native American civilizations in Mexico and South America can be attributed tothe development of agriculture19
1239838166Which were original territories of North American Indian populations within the current borders of the United States?Northeast, Southeast, Great Plains, Great Basin20
1239838167The Christian crusaders were indirectly responsible for the discovery of America becausethey brought back news of the valuable Far Eastern spices, drugs, and silk21
1239838168The institution of encomienda allowed theEuropean governments to give Indians to colonists if they promised to Christianize them22
1239838169European contact with Native American cultures led tothe deaths of millions of Native Americans, who had little resistance to European diseases23
1239838170Some of the more advanced Native American culturesestablished large, bustling cities; made strikingly accurate astronomical observations; studied mathematics; carried on commerce24
1239838171Men in the more settled agricultural groups in North America performed tasks such ashunting, gathering fuel, clearing fields for planting, and fishing25

Geometry Flashcards

geometry!!

Terms : Hide Images
60563700ArcPart of a curve between any two of its points.0
60563701AsymptoteA line to which the graph of a curve gets increasingly closer but never touches or crosses.1
60563702DimensionsThe lengths of the sides of a geometric figure.2
60563703Congruent AnglesAngles that have exactly the same measure.3
60563704Closed FigureA figure that completely surrounds a region in a plane.4
60563705HexagonA polygon with six sides5
60563706LineAn infinite set of points forming a straight path extending in two directions.6
60563707PrismA 3D figure with two congruent and eleven faces that are polygons.7
60563708OriginThe point at which the axes of the coordinate plane intersect.8
60563709OctagonA polygon with eight sides9
60563710Trianglea three-sided polygon10
60563711PointAn exact location in a space11
60563712EquiangularAll sides have the same measure12
60563713DilutionA transformation in which a figure and its image are similar.13
60563714EndpointThe point marking either the end of a line segment or ray.14
60563715DiagonalA line segment that passes through the center of a circle and has endpoints on the circle.15
60563716Degree of a VertexThe number of edges that meet of at a vertex.16
60563717DegreeA unit of angle measure.17
60563718CubeA regular solid having six congruent square faces.18
60563719Convex PolygonA polygon with each interior angle measuring less than 180°.19
60563720LegEach of the sides that form the right triangle.20
60563721EdgeThe line segment where two faces of a solid figure meet.21
60563722HypotenuseThe longest side of aright triangle, opposite the right angle.22
60563723PerimeterThe distance around a figure.23
60563724Area (A)The measure in square units, of the interior region of a two-dimensional figure of the surface of a 3-D figure.24
60563725Pythagorean TheoremIn any right angle, the sum of the squares of the lengths of the legs is equal to the square of the length of the hypotenuse.25
60563726SupplementarySum of the angles is 180°; can or do form a straight line.26
60563727Ordered PairTwo numbers that identify the location of a point.27
60563728QuadrantsThe four parts into which the coordinate plane is divided by its axes.28
60563729RadiusA line segment from the center of a circle to any point on the circle.29

The Earth and its Peoples Chapter 3: The Mediterranean and Middle East (2000-500 B.C.E.) Vocabulary Flashcards

The Earth and its Peoples 4th Edition
Chapter 3 Key Terms

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669630314Iron AgeTerm for the period during which iron was the primary metal for tools and weapons. The advent of iron technology began at different times in different parts of the world.1
669630315HittitesA people from central Anatolia who established and empire in Anatolia and Syria in the late Bronze age. Wealth from trade in metals, and military power was based on chariot forces, the Hittites vied with. New Kingdom Egypt for control of Syria-Palestine before falling to unidentified attackers ca. 1200 B.C.E.2
669630316HatshepsutQueen of Egypt (1473-1458 B.C.E.) Dispatched a naval expedition down the Red Sea to Punt (possibly Somalia), the faraway source of myrrh. There is evidence of opposition to a woman as ruler, and after her death her name was frequently expunged.3
669630317AkhenatenEgyptian pharaoh (r. 1353-1335 B.C.E.). He built a new capital at Amarna, fostered a new style of naturalistic art, and created a religious revolution by imposing worship of the sun-disk.4
669630318Ramesses IIA long-lived ruler of New Kingdom Egypt (r. 1290-1224 B.C.E.). He reached an accommodation with the Hittites of Anatolia after a standoff in battle at Kadesh in Syria..5
669630319MinoanProsperous civilization on the Aegean island of Crete in the second millennium B.C.E. The Minoans engaged in far-flung commerce around the Mediterranean and exerted powerful cultural influences on the early Greeks.6
669630320MycenaeSite of a fortified palace complex in southern Greece that controlled a Late Bronze Age kingdom.7
669630321Shaft GravesA term used for the burial sites of elite members of Mycenaean Greek society in the mid-second millennium B.C.E. At the bottom of deep shafts lined with stone slabs, the bodies were laid out along with gold and bronze jewelry, implements, weapons, and masks.8
669630322Linear BA set of syllabic symbols, derived from the writing system of Minoan Crete, used in the Mycenaean palaces of the Late Bronze Age to write an early form of Greek. It was used primarily for palace records, and the surviving Linear B tablets provide substantial information about the economic organization of Mycenaean society and tantalizing clues about political, social, and religious institutions.9
669630323Neo-Assyrian EmpireAn empire extending from Western Iran to Syria-Palestine, conquered by the Assyrians of northern Mesopotamia between the tenth and seventh centuries B.C.E. They used force and terror and exploited the wealth and labor of their subjects. They also preserved and continued the cultural and scientific developments of Mesopotamian civilization.10
669630324Mass DeportationThe forcible removal and relocation of large numbers of people or entire populations. The mass deportations practiced by the Assyrian and Persian Empires were meant as a terrifying warning of the consequences of rebellion. They also brought skilled and unskilled labor to the imperial center.11
669630325Library of AshurbanipalA large collection of writings drawn from the ancient literary, religious, and scientific traditions of Mesopotamia. It was assembled by the sixth century B.C.E. Assyrian ruler Ashurbanipal. .12
669630326IsraelIn antiquity, the land between the eastern shore of the Mediterranean and the Jordan River, occupied by the Israelites from the early second millennium B.C.E.13
669630327Hebrew BibleA collection of sacred books containing diverse materials concerning the origins, experiences, beliefs, and practices of the Israelites. Most of the extant text was compiled by members of the priestly class in the fifth century B.C.E. and reflects the concerns and views of this group.14
669630328First TempleA monumental sanctuary built in Jerusalem by King Solomon in the tenth century B.C.E. to be the religious center for the Israelite god Yahweh. The Temple priesthood conducted sacrifices, received a tithe or percentage of agricultural revenues, and became economically and politically powerful.15
669630329MonotheismBelief in the existence of a single divine entity. Israelite worship of Yahweh developed into an exclusive belief in one god, and this concept passed into Christianity and Islam.16
669630330DiasporaA Greek word meaning 'dispersal,' used to describe the communities of a given ethnic group living outside their homeland. Jews, for example, spread from Israel to western Asia and Mediterranean lands in antiquity and today can be found throughout the world.17
669630331PhoeniciansSemitic-speaking Canaanites living on the coast of modern Lebanon and Syria in the first millennium B.C.E. From major cities such as Tyre and Sidon, Phoenician merchants and sailors explored the Mediterranean, and engaged in widespread commerce, and founded Carthage and other colonies in the western Mediterranean.18
669630332CarthageCity located in present-day Tunisia, founded by Phoenicians ca. 800 B.C.E. It became a major commercial center and naval power in the western Mediterranean until defeated by Rome in the third century B.C.E.19
669630333Neo-Babylonian KingdomUnder the Chaldaeans (nomadic kinship groups that settled in southern Mesopotamia in the early first millennium B.C.E.), Babylon again became a major political and cultural center in the seventh and sixth centuries B.C.E. After participating in the destruction of Assyrian power, the monarchs Nabopolassar and Nebuchadnezzar took over the southern portion of the Assyrian domains.20

AP Human Geography Unit 1 Vocab Flashcards

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910259086Built LandscapeAn area of land represented by its features and patterns of human occupation and use of natural resources (Changing attribute of a place).1
910259087Sequent OccupanceThe notion that successive societies leave their cultural imprints on a place, each contributing to the cumulative cultural landscape.2
910259088Cultural LandscapeFashioning of a natural landscape by a cultural group. This is the essence of how humans interact with nature.3
910259089Arithmetic DensityThe total number of people divided by the total land area.4
910259090Physiological DensityThe number of people per unit area of arable land, which is land suitable for agriculture.5
910259091HearthThe region from which innovative ideas originate.6
910259092Relocation DiffusionThe spread of an idea through physical movement of people from one place to another.7
910259093Expansion DiffusionThe spread of a feature from one place to another in a snowballing process. This can happen by hierarchical, contagious, or stimulus diffusion.8
910259094Hierarchical DiffusionThe spread of an idea from persons or nodes of authority or power to other persons or places. (Ex: Hip-Hop/rap music)9
910259095Contagious DiffusionThe rapid widespread diffusion of a character throughout the population.(Ex: ideas placed on the internet)10
910259096Stimulus DiffusionThe spread of an underlying principle, even though a characteristic itself apparently fails to diffuse. (Ex. PC & Apple11
910259097Absolute DirectionA compass direction such as north or south.12
910259098Relative DirectionDirections such as left, right, forward, backword, up, and down based on people's perceptions of places.13
910259099DispersedTo drive or send off in various directions.14
910259100ScatteredDistributed or occuring at widely spaced and usually irregular intervals.15
910259101Clustered/AgglomeratedWhen things are close together or put together in a concentrated area.16
910480165Absolute DistanceExact measurement of the physical space between two places.17
910480166Relative DistanceApproximate measurement of the physical space between two places.18
910480167DistributionThe arrangement of something across Earth's surface.19
910480168Environmental DeterminismA 19th- and early 20th-century approach to the study of geography that argued that the general laws sought by human geographers could be found in the physical sciences. Geography was therefore the study of how the physical environment caused human activities20
910480169Absolute LocationPosition on Earth's surface using the coordinate system of longitude and latitude.21
910480170Relative LocationPosition on Earth's surface relative to other features.22
910480171SiteThe physical character of a place; what is found at the location and why it is significant.23
910480172SituationThe location of a place relative to other places.24
910480173ToponymThe name given to a place on Earth.25
910480174Linear PatternStraight patterns. (Ex: houses on a street)26
910480175Centralized PatternClustered at a certain place.27
910480176Random patternA pattern with no specific order or logic behind its arrangement28
910480177Natural LandscapeLandscape that has not ben changed by humans29
910480178PossibilismPhysical environment may limit some human actions, but people have the ability to adjust to their environment.30
910480179Formal Region (Uniform)An area within which everyone shares in common one or more distinctive characteristics. The shared feature could be a cultural value such as a common language, or an environmental climate.31
910480180Functional Region (Nodal)An area organized around a node or focal point. The characteristic chosen to define a functional region dominates at a central focus or node and diminishes in importance outward.32
910480181Vernacular Region (Perceptual)A place that people believe exists as a part of their cultural identity. Such regions emerge from peoples informal sense of place rather than from scientific models developed through geographic thought. (Often identified using a mental map).33
910480182ScaleRepresentation of a real world phenomenon at a certain level or reduction or generalization. In cartography, the ratio of map distance to ground distance.34
910480183SizeThe estimation or determination of extent.35
910480184AccessibilityThe degree of ease with which it is possible to reach a certain location from other locations.36
910480185ConnectivityThe relationships among people and objects across the barrier of space.37
910480186NetworkA set of interconnected nodes without a center38
910480187Distance DecayThe diminishing in importance and eventual disappearance of a phenomenon with increasing distance from its origin. Typically, the farther away one group is from another, the less likely the two groups are to interact.39
910480188Friction of DistanceBased on the notion that distance usually requires some amount of effort, money, and/or energy to overcome. Because of this "friction," spatial interactions will tend to take place more often over shorter distances; quantity of interaction will decline with distance.40
910480189Time-Space CompressionThe reduction in the time it takes to diffuse something to a distant place, as a result of improved communications41
910480190DistortionThe further away you are from the actual object while looking at it on a map, the more distorted it is.42
910480191Geographic Information System (GIS)A computer that can capture, store, query, analyze, and display geographic information-helps produce more efficient and attractive maps than those drawn by hand.43
910480192Global Positioning SystemAccurately determines the precise position of something on Earth-helps people navigate from one area to another.44
910480193GridA pattern of lines on a chart or map. (Ex: Latitude & longitude).45
910480194North and South PolesThe very top and bottom of the Earth.46
910480195LatitudeThe numbering system used to indicate the location of a parallel, goes up and down.47
910480196ParallelA circle drawn around the globe parallel to the equator and at right angles to meridians and helps to define a time zone.48
910480197EguatorThe line that goes across the center of the earth and is at 0 degrees latitude- splits the world into the north and south hemisphere.49
910627074LongitudeThe numbering system used to indicate the location of a meridian and helps along with latitude to establish time zones.50
910627075MeridianAn arc drawn between the north and south poles and helps define time zones along with parallels51
910627076Prime MeridianThe meridian that passes through Greenwich, England at 0 degrees longitude and is the place where every day has 12 hours of daylight.52
910627077International Date LineFollows closely at 180 degrees longitude - when you pass it heading east the clock moves back 24 hours and vise versa.53
910627078Maps2-D representation of Earth's surface or a portion of it. Important because maps are the tools most uniquely identified with geography; ability to use and interpret maps is an essential geographic skill.54
910627079Map scaleThe distance on a map relative to distance on Earth - helps give a sense on how big something is on a map as compared to on Earth.55
910627080Thematic MapA type of map that display one or more variables-such as population or income level-within a specific area.56
910627081Statistical MapA special type of map in which the variation in quantity of a factor such as rainfall, population, or crops in a geographic area is indicated.57
910627082CartogramA map that is simplified to represent a single idea in a diagrammatic way; the base is not usually true to scale.58
910627083Dot MapA thematic map in which a dot represents some frequency of the mapped variable.59
910627084Cloropleth MapA thematic map in which ranked classes of some variables are depicted with shading patterns or colors for predefined zones.60
910627085Isoline MapA thematic map with lines that connect points of equal value.61
910627086Mental Map (Cognitive)A map of a person's personal point of view of the world - helps a person realize where things are in their own perception.62
910627087ModelA simplified abstraction of reality, structured to clarify casual relationships - used by geographers to explain patterns, make informed decisions, and predict future behaviors.63
910627088Time Zones24 zones that are 1000 miles apart from the other, each one is an hour before or after the one next to it, and by passing the International Date Line, you either go forward 24 hours or back 24 hours.64
910627089Remote sensingAcquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods. Helps to show information about the Earth from a satellite on any feature.65
910627090Map ProjectionPut Earth's 3 dimensional shape onto a two-dimensional surface.66
918264038MercatorA type of map projection that shows the Earth accurately, but the farther away from the equator you look it is less accurate67
918264039AzimuthalA map projection in which the plane is the most develop-able surface68
918264040RobinsonA map projection that curves inward to fix the distortion of the mercator, but makes landmasses look smaller than they really are.69
918264041FullerMaintains the accurate size and shape of land masses. Rearranges direction so the cardinal directions no longer have any meaning.70
918264042PeterA map projection that more fairly shows the third world countries. Shapes are distorted but area is accurate.71

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