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6629903409First Law of ThermodynamicsEnergy cannot be created nor destroyed0
6629910290Second Law of Thermodynamicsenergy goes from organized to disorganized (the amount of usable energy to do work decreases over time)1
6629922493Order of Trophic Levelsproducers (plants), primary consumers (ex. herbivores (bunny)), secondary consumers (ex.fox), tertiary consumers (ex. wolf)2
6629937632How much energy is lost from one trophic level to another90% (only 10% of energy remains)3
6629940554Net Primary Productivity=Plant Gross Primary Productivity (photosynthesis)- Plant cellular respiration High Net PP in rain forests4
6629951332Fundamental Nichethe perfect scenario, everything an organism needs to thrive (potential, idealized, ecological niche of an organism)5
6629963995Realized Nichethe lifestyle an organism actually pursues and the resources that are actually available (the only thing in their way is their limiting factor)6
6631670781Competitive exclusionOne species excludes another from a portion of the niche due to competition. Two species with identical niches cannot coexist7
6631674456Resource PartitioningCoexisting species niches differ from one another in one or more ways8
6629975152Limiting Factorprevents animals from being insanely prosperous (ex. cane toads limiting factor is water because they need to keep their eggs in water to reproduce)9
6629985348Primary Successionthere is no soil (ex. the glacier that carved Yosemite, Volcano eruption with lava) (Starts to build life with pioneer species (ex. Lichen))10
6631245518Secondary SuccessionSoil is present for plants to grow back (ex. a fire killed all the vegetation, or a volcano erupted ASH)11
6631583296Carbon Cyclesinks: the Ocean (largest Sink), Trees, all plants and animals (ex. humans), atmosphere, and ground Humans impact: Deforestation, burning of fossil fuels12
6631593670Hydrologic Cycleevaporates (from bodies of water) or transpiration (evaporates from plants)-> condenses (forms into rain/precipitation) -> runoff (into bodies of water)/ percolates (seeps into the ground)13
6631271936Nitrogen Cycle (% and Steps)78% in atmosphere 1. Nitrogen Fixation (bacteria fix into Ammonia) 2. Nitrification (NH#->NO3-) (ready to be absorbed) 3. Assimilation (take it in/ eat it) 4. Ammonification (wastes broken down (NH4->NH3) 5. Denitrification (Ammonia-> nitrate->gaseous nitrogen)14
6631292612Phosphorus cycledoes not go into the air- localized (bc not present in gaseous form)15
6631301476Atmospheric LayersTroposphere (weather, green house gases, where we live) Stratosphere (Ozone) Mesosphere Thermosphere16
6631314828Atmospheric Circulation (Deserts)deserts located at 30 degrees north and south latitude (the equator is hot and humid, the hot air rises taking moisture with it, as it rises, the air cools and drops the moisture over the equator, the cool air then travels north and south. As the air cools even more it sinks down, but is moisture less, creating a desert) Also deserts on the other side of rain shadows (leeward side of mountains)17
6631348643Coriolis EffectThe rotation of Earth produces reliable wind patterns such as the trade winds and the westerlies. Also effects the rotation of water18
6631493832El NinoA shift of the trade winds Mexico and South America get the rain (Eastern Pacific) (rain near equator) (We are at the top, so we get rain) Indonesia and Philippines and that part of the world get drought stands for little child: Mexican fishermen contributed up welling of nutrients, warmer water and presence of fish to baby Jesus (little child)19
6631510661La Ninaexact opposite of el Nino, Eastern Pacific gets drought and Indonesia and the Philippines get rain20
6631516700El Nino and DiseaseMosquitoes have more pools of water for breeding, more incidence of malaria more water born illness21
6631521994TornadoesHas the biggest force of energy and causes the most damage Tornadoes ally located in the mid west created from the warm air coming up from the equator and the cold air coming down from Canada creating a wind vortex22
6631528249HurricanesGet their energy from warm water get further north or hit land they loss power/ energy located in the Western Atlantic Ocean (ex. Florida) Climate Change: May Cause Hurricanes to appear in areas they have never been before and stronger because of warmer waters23
6631537254CycloneSame as the Hurricane, but in a different part of the world (over next to Africa, under India, and next to Australia)24
6631604268Divergent EvolutionNew species branch off from a shared ancestral species25
6631607667Convergent Evolutionunrelated species develop similar traits because they adapt to similar environments26
6631610679Endangered Species ActUS law identifying threatened species and regulating commercial and recreational activities involving them. requires US Fish and Wildlife services to create Recovery Plans detailing how species will be revived27
6631633270Keystone SpeciesCertain Species crucial to the maintenance of the community, they are vital in determining the nature, structure and function of the ecosystem (may not be the most abundant species)28
6631649363Symbiosis (Mutualism, Commensalism, Parasitism, Ammenalism)1. Both species benefit 2. One Benefits, other unaffected 3. One benefits, other harmed 4. One Harmed, other unaffected29
6631657508PhotosynthesisLight energy from the sun is captured and transformed into chemical energy (sugar) molecules 6CO2+ 12H2O+ radiant energy --> C6H12O6 + 6H2O + 6O230
6631688993Plate TectonicsPlates of the earth move around Where they come together= a fault31
6631692874Divergent Boundaryin the deep ocean, plates being made there, conveyor belt of earth32
6631697137Convergent BoundaryPlow into each other (ex. Himalayas)33
6631706639Transform BoundaryPlates moving in different directions up and down (remain touching, basically rubbing together)34
6631720568Weather vs. ClimateWeather- denotes daily temp and moisture conditions in a certain area Climate- refers to long-term weather patterns35
6640631413Volcanoes FormationForm on the Ring of Fire in the Pacific (where tectonic plates meet) And Hotspots (where the crust is thinner and magma comes to the surface, as the plate moves creates a chain of islands) in the Ocean36
6640655836TundraArctic, cold, barren, harsh environment, permafrost, short growing season (plants, mosses and lichen), animal (caribou and mountain goat)37
6640710893Desertlow moisture, infrequent precipitation, hot during day, cold at night, plants store water and thick layers to reduce water loss (and thorns), animals nocturnal38
6640723644GrasslandsFire is good, most threatened Biome, moderate temp and precipitation, good farm soil (90% land lost to farming), animals (bison)39
6640742141TaigaLargest biome, Canada and Russia, cut it down for paper (also can be cut for building wood)40
6640759741Temperate Rain ForestHot Summers and Mild winters, coniferous biome, >127cm, nutrient poor, high in organic materials (needles), Heavily logged, high species richness41
6640784442Temperate Deciduous ForestNorth east (ex. Maryland), hot summers cold winters, 75-150cm precip, topsoil rich and clay under, get hard wood from here, Land has been regenerated after farming and timber harvest42
6640794881ChaparralOur biome, loves fire, 30cm precip (semi arid), soil thin (not as fertile)43
6640819992SavannaAfrica, turned into range land, fire adaptive plants44
6640835935Tropical Rain Forestat equator, productive biome, most species richness, nutrients in the vegetation (not really in the soil)45
6640843700Habitat FragmentationAnimals habitats are broken up, (usually by man made objects such as roads and cities), a problem because species are separated and may not be able to mate with one another46
6640853239Fall turnoverIn the summer the water is warm on the top and cold on the bottom, as the seasons begin to change, the water on the top begins to become colder, as the water on the top becomes colder than the water on the bottom, the water circulates, bringing the water from the bottom to the top (and bringing nutrients with it)47
6640874076Intertidal ZoneArea of ocean closes to the shore, Animals have adaptations (have anchors/feet, can burrow into sand, have shells, stick), tide pools, stressful environment bc of moving sand48
6640880683Benthic Environmentextends from intertidal -deep ocean trenches, 3 zones: Bathyal (200-400m) Abyssal (400-6000m) + hadal (6000-bottom), shallow benthic environment has sea grass beds+kelp forests+coral reefs.49
6640894477Pelagic Environment (Neritic Province)water that overlies the continental shelf and shallow waters close to surface50
6640896667Pelagic Environment (Oceanic Province)Open ocean that does not overlie the continental shelf, "deep sea," largest marine environment (75%of ocean)51
6640906062PhytoplanktonPrimary producer, important, responsible for lots of oxygen52
6640908017Ocean Food ChainPhytoplankton-> Zooplankton-> Nekton (fish)-> top predator (sharks)53
6640912797FRQ possibility (design an experiment)Make a hypothesis: If, then because statement make an experiment establish a control, to compare the results to Be specific about what will be tested and the time frame of the experiment54
6640920375LD50Lethal Dose to 50% of the test organisms, the smaller the LD50 the more lethal,55
6640940113LC50Lethal Concentration to 50% of the test organisms (ex. the brine shrimp lab (sitting in chemicals not physically eating/ingesting them)56
6640944864ED50Effective Dose to 50% of population (when 50% of the test subjects exhibit whatever cause or symptom is under study)57
6640951444Threshold levelmaximum Dose with no measurable effect (where the line leaves the graph)58
6640962015Children and chemical exposureMore susceptible, weigh less than adults, bodies are still developing, play on floor and lawn, put things in mouth59
6640966138Carcinogensomething that causes cancer60
6640971254Risk Assessment (Not on Final, but maybe on AP)Hazard identification (does exposure cause > chance of health effect); Dose-response assessment (relationship between does and seriousness of effect); exposure assessment (how much, often+long is contact made); Risk Characterization (probability person or pop. will have adverse effects)61
6640981489Optimum level of pollution (Marginal Cost of Pollution)the level of pollution that companies can emit without cleaning it up and still make a profit (the fine is less than the cost to clean up the pollution to begin with (if they get caught))62
6640985961Population Equationr= (b-d) + (i-e)63
6640987679doubling time=70/r%64
6640988461J CurveOver time population increases at an exponential rate (makes a curve that looks like a J) (Humans have this curve)65
6640990484S CurveAnything other than humans (flat and then goes up and then flattens out around the carrying capacity) (logistic growth)66
6640992787Carrying CapacityThe amount of organisms that the habitat/environment/world can sustain with the resources available (once carrying capacity is reached organisms die off from competition) (humans haven't reached their carrying capacity yet)67
6641033839K-selected Speciesfollow logistic growth pattern, larger, live longer, produce fewer offspring, offer more parental care, populations stay stable around carrying capacity (ex. Humans)68
6641039079R-selected specieshigh reproductive rates, exponential growth pattern, generalists, small offspring at young age, offer little parental care, high mortality of offspring, population size fluctuates above and below carrying capacity69
6641051593Survivor ship CurvesHumans are curve 1 Lizards are curve 2 Fish are curve 370
6641100891Demographic Stages71
6641120175Infant Mortality Ratenumber of infant deaths per 1,000 births72
6641127211Total Fertilitythe number of offspring produced per female73
6641128424Replacement level fertility2.174
6641129724Why pop is growing in USlow total fertility, but high immigration75
6641130438Age Structure Diagram76
6641131520Climatogram (Temperate Grassland)77
6641133037Climatogram (Tropical Desert)78
6641133487Climatogram (Tropical Rain Forest)79
6641134077Climatogram (Tropical Grassland (Savanna))80
6641134585Climatogram (Temperate Desert)81
6641135057Climatogram (Polar Grassland (arctic tundra))82
6641135913Climatogram (Temperate Deciduous Forest)83
6641136350Climatogram (Polar Desert)84
6641144683Ways to limit population growthEducate Women China: tried a one child limit India: trying to educate people and make it so it isn't going against their customs to use birth control and have less kids85
6641146836Waterpolar molecule (important) slightly charged, it has an attraction to chemicals (want to bond together)86
6641149744Ogallala Aquiferlargest Aquifer in the world, in the middle of the US (Texas, Oklahoma, New Mexico, Colorado), being lowered due to people pumping it (for farming and commercial use)87
6641153605Number one cause of death in the WorldWater Born Illness88
6641154441Number one cause of death in the USHeart Disease89
6641155253Sewage TreatmentPrimary Treatment: left to settle (take out stuff settled on top and on bottom of the water) Secondary Treatment: add activated sludge (microorganisms) to get rid of the dissolved waste in the water Filtration: add floculation agent( to sink everything down so it can be taken out) Chlorination (treated with chemical (chlorine) Medicines/ chemicals can not be taken out of water90
6641163737TurbidityHow clear the water is (erosion can cause the turbidity to be worse (can't see as well))91
6641165437Leadneurotransmitter problem (people are slower), severe poisoning can cause permanent neurological damage92
6641168351Mercury(Mad Hatter) makes you crazy, insanity, severe damage to fetuses (pregnant women can't eat fish)93
6641172206Clean Water ActSwimmable water standard (recreational, makes sure water is safe to SWIM in)94
6641175130Safe Drinking Water ActSets standards and permitable levels in drinking water for public consumption95
6641178345Clean Air Actidentified and set limits for the conventional pollutants (or criteria pollutants)= Sulfur dioxide, Carbon monoxide, Particulate material, Volatile Organic Compounds, Nitrogen Oxides, Ozone, and Lead also set primary standards (to protect human health) and secondary standards (to protect property, crops, and visibility)96
6641197565Soil HorizonsO (organics), A, B, C (weathered bedrock), and D (bedrock) Sometimes a E horizon (contains leached nutrients)97
6641204393Soil Taxonomy (may be worth memorizing 2 just for process of elimination)Spodosols- Formed under coniferous forest (Taiga), not good farming- too acidic Alfisols- Precipitation high. Temperate deciduous forest, leaf litter maintain soil fertility Mollisols- Semi-arid grasslands, very fertile soil Aridosols- deserts, low precipitation, salt on surface Oxisols- tropical and subtropical areas with high precipitation, Tropical Rain Forest, nutrient poor soil (nutrients in vegetation)98
6641213445Clay<0.002mm; particles can be seen under an electron microscope; clay particles have the > surface area of all soil particles; highly textured, has poor drainage, low oxygen levels in the soil, Due to negatively charged surfaces- able to hold onto important plant nutrients (K+, Ca2+, NO2-)99
6641213446Sand2mm-0.05mm; particles are large enough to be seen w/ eyes100
6641214463Silt0.05mm-0.002mm; about the size of flour particles101
6641214943Loam40% sand, 40% silt, 20% clay102
6641216774Conservation tillageleaves the previous year's crop residue before and after planting to reduce soil erosion and runoff.103
6641217954Conventional Tillageincludes plowing the ground many times to create an ideal seedbed. Usually this also involves removing all remnants of the previous crop.104
6641220739Crop RotationCrop rotation is extremely important because if you plant one type of crop on a piece of land year after year that crop will deplete the land of nutrients and minerals, which then requires the addition of fertilizers to the land By rotating the crops, the different crops take in different nutrients which allows the field to maintain its natural supply of nutrients105
6641222222Primary Pollutantsreleased directly in hazardous form106
6641222649Secondary Pollutantsreleased in nontoxic form, then react t become toxic (photochemical smog + atmospheric acids)107
6641229293Particulate matterCoal burning, number one reason for spare the air days (bc of burning wood) particles get into lungs108
6641231896Nitrogen Oxidescome from cars109
6641238182Sulfur Oxidesfrom burning coal (also come from volcanoes)110
6641239373Carbon monoxide and dioxidecombustion, cars and heaters at home, fossil fuels111
6641240550Hydrocarbonscar thing112
6641241494Catalytic Converterdesigned to reduce hydrocarbons and carbon oxides emitted from cars113
6641242228Ozonesummer problem, secondary air pollutant from cars, smog, and sunshine114
6641245692Sick Building SyndromeSomething in the building that is not healthy for humans, and air tight buildings are the worst because the disease or chemical can travel through the air vents and harm people inside115
6641247848Radoncomes from a radioactive rock under buildings, the radioactive particles seep into the house and can cause cancer (lung cancer)116
6641250592What is not a green house gassulfur dioxide (causes acid rain)117
6641251225Clean burning coaluse scrubbers (eliminates 99% sulfur emissions and 98% of particulate matter) or use limestone (neutralizes the acid)118
6641254048Value of being a vegetarian or vegansaves water (animals need water and water needs to be used to produce their food), create a huge amount of methane ( greenhouse gas), cause erosion and deforestation (because need a place to graze and then pull out the plants holding the soil in place)119
6641257519Gas Hydratesin the tundra, they are trapped under permafrost, as the permafrost begins to melt, the trapped methane starts to seep up to the surface in lakes or just on the ground (methane is flammable and a greenhouse gas)120
6641260291Hybrid CamryRuns off of gas and electricity, the car battery is recharged when the car breaks (uses the friction from the breaking to create energy to charge the battery) the car will switch between battery and gas depending on the way the car is being driven (air conditioning, speed, etc)121
6641262782BoltTesla car that gets plugged in to recharge bc it only runs off of electricity, no gas (need charging stations)122
6641264759Pros and cons of Nuclear Poweradvantages- carbon free source of energy no greenhouse gases emitted may be able to generate H fuel disadvantages- it generates radioactive waste (causing health and environmental hazards) steps along the way still use substantial amounts of fossil fuels expensive dangerous123

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