AP Notes, Outlines, Study Guides, Vocabulary, Practice Exams and more!

APES Flashcards

Terms : Hide Images
7190112595altitudedistance above sea level0
7190112596animaliaanimal kingdom1
7190112597atmospheremass of air surrounding the earth2
7190112598autotrophsorganisms that create their own energy/food3
7190112599biogeochemical cyclescycling of nutrients in nature4
7190112600biomasstotal dry weight of an ecosystem5
7190112601biomesa large area determined by its climate and predominant vegetation6
7190112602biospherezone of earth where life is found7
7190112603biotic potentialmaximum population size of a species in ideal ecosystem8
7190112604carbon cyclecycling of carbon compounds throughout the environment9
7190112605carrying capacity (K)maximum population size of the species that the environment can sustain indefinitely10
7190112606chaparralbiome characterized by low precipication, mild winters, and shrubs/bushes.11
7190112607chemosynthesisconverting inorganic materials into energy without sunlight12
7190112608climateaverage weather conditions in a region13
7190112609commensalismtwo organisms interacting in which one benefits and the other is neither helped nor harmed14
7190112610communitypopulations of all species living and interacting in an area at a particular time15
7190112611coniferous forestdense, cluster of trees characterized by cone-bearing, needle-leaved trees16
7190112612deciduous forestdense, cluster of broad-leaf trees that lose their leaves each year17
7190112613decomposersorganisms that break down dead or decaying organisms e.g. fungi and bacteria18
7190112614desertbiome characterized by less than 25 cm per year of precipitation and low vegetation19
7190112615detritivoresgroup of decomposers that consume detritus e.g. worms20
7190112616detritusparts of dead organic material21
7190112617dissolved oxygenO2 in water22
7190112618ecological efficiencyeffectivness of energy transfer from one trophic level to next23
7190112619ecological successionpredictable changes in biotic and abiotic conditions of an ecosystem24
7190112620ecosysteminteractions of organisms with their biotic and abiotic factors25
7190112621environmental resistanceFactors that limit maximum population e.g. predators, competition, climate, and food availability26
7190112622estuarypartially enclosed coastal area at the mouth of a river where its freshwater meets seawater27
7190112623eukaryotesorganisms that have cells with nucleus28
7190112624food chainmodel explaining energy flow29
7190112625food energy pyramidmodel explaining food chain with trophic levels and energy loss30
7190112626foundation speciesspecies that plays a major role in shaping communities by creating and enhancing a habitat that benefits other species31
7190112627fungieukaryotic organisms known as decomposers32
7190112628GPP(gross primary productivity) rate at which producers capture AND store a given amount of chemical energy as biomass33
7190112629grasslandsa large open area of country covered with grass, especially one used for grazing34
7190112630greenhouse effectnatural phenomena where greenhouse gases trap reradiated solar energy from earth35
7190112631greenhouse gasa gas that contributes to the greenhouse effect by absorbing infrared radiation, e.g., CO2 and CFCs36
7190112632heterotrophsorganism which gets energy by consuming other organisms37
7190112633hydrologic cyclecycling of water molecules through the environment38
7190112634hydrosphereall the waters on the earth's surface39
7190112635indicator speciesspecies that serve as early warnings that a community or ecosystem is being degraded40
7190112636insectainvertebrates that have a chitinous exoskeleton, a three-part body, three pairs of jointed legs, compound eyes and one pair of antennae41
7190112637interspecific competitionwhen individuals of different species compete for the same resource in an ecosystem (e.g. food or living space).42
7190112638intertidal zonesland covered by water during hide tide but then exposed during low tide AKA littoral zone43
7190112639intrinsic rate of growth (r )rate at which a population could grow if it had unlimited resources44
7190112640invasive speciesintroduced organism to an ecosystm that has economic or environmental harm45
7190112641K-selectedspecies that produce a few offspring but invest a great deal of time and energy to ensure that most of them reach reproductive age46
7190112642keystone speciesa species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.47
7190112643latitudedistance a place is from the earth's equator, north or south48
7190112644limiting factormaterial that will stop reactions because it is consumed the fastest49
7190112645lithosphereUpper part of mantle plus crust50
7190112646littoral zoneland covered by water during high tide but exposed during low tide51
7190112647logistic growthpopulation growth curve characterized by exponential growth followed by stabilizing around carrying capacity52
7190112648native speciesendemic organisms indicating optimal evolutionary adaptations in given area and time53
7190112649nicheThe function or position of a species within an ecological community.54
7190112650nitrogen cyclecycling of nitrogen molecules in an ecosystem55
7190112651NPP(net primary productivity) amount of biomass produced each year by producers56
7190112652omnivoresorganism that eats both plants and animals57
7190112653organismliving thing58
7190112654parasitismtwo organisms interacting in which one is harmed and other benefits59
7190112655permafrostpermenantly frozen ground60
7190112656phosphorus cyclecycling of phosphorus molecules in an ecosystem61
7190112657photosynthesisprocess of converting light energy into chemical energy i.e. carbon fixation62
7190112658plantaeplant kingdom63
7190112659pollinationthe transfer of pollen from the anther to the stigma.64
7190112660populationnumber of organisms in a given area and time65
7190112661predationtwo organisms interacting where one is consumed by another66
7190112662primary successionpredictable changes in biotic and abiotic conditions of an ecosystem starting from an area with no life67
7190112663prokaryotessingle-celled organism with no nucleus or organelles e.g. bacteria and cyanobacteria.68
7190112664protistsmainly unicellular, eukaryotic microorganisms that do not form tissues.69
7190112665r-selectedspecies that produce many offspring and do not invest much time or energy in them70
7190112666rain forestbiome characterized by heavy precipation and dense population of trees71
7190112667rain shadow effectwhen due to topograpical barrier, the windward side receives large amounts of precipation and the leeward side is dry.72
7190112668range of tolerancelimited conditions that an organism can withstand73
7190112669resource partitioningwhen species divide a niche to avoid competition for resources74
7190112670salinitythe total amount of dissolved material in grams in one kilogram of water75
7190112671savannabiome characterized by seasonal rains and grassy plains76
7190112672secondary successionpredictable changes in biotic and abiotic conditions of an ecosystem starting from an area with life77
7190112673speciesgroup of similiar looking individuals capable of making viable offspring78
7190112674stratospherethe layer of the atmosphere above the troposphere and below mesosphere that contains the ozone layer79
7190112675sulfur cyclecycling of sulphur molecules in an ecosystem80
7190112676trophic levelorganisms in the same functional level of the food pyramid81
7190112677tropospherelowest region of atmosphere where weather occurs and we live82
7190112678tundrabiome characterized permafrost and lack of trees83
7190112679watershedsarea where all water collect to common locations84
7190112680weatheratmospheric conditions characterized by temperature, wind, and precipitation85

Need Help?

We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.

For general help, questions, and suggestions, try our dedicated support forums.

If you need to contact the Course-Notes.Org web experience team, please use our contact form.

Need Notes?

While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!