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APES Flashcards

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11287849113abioticassemblage of nonliving physical or chemical components in an ecosystem ex: CO2, rainfall, pH, O2, salinity, temperature0
11287858214abiotic factorsphysical and chemical components of ecosystems that are non living ex: CO2, rainfall, pH, O2, salinity, temperature1
11287872135autotrophorganisms that produce their own organic material from inorganic constituents ex: green plants2
11287901642biomass pyramidshape of biomass potential at each trophic level ex: Fig 2-13a3
11287922151biomasstotal combined dry weight of all organisms at a trophic level ex:Fig. 2-144
11287981870biomegrouping of related ecosystems into major kinds of ecosystems ex: Fig 2-45
11287993793biosphereall the species and ecosystem combined ex: earth6
11288037324biotagrouping or assemblage of living organisms in an ecosystem ex: plants, animals, microbes7
11288050839biotic communitygrouping or assemblage of living organisms in an ecosystem ex: plants, animals, microbes8
11288080715biotic factorslimiting factors caused by other species ex: plants, animals, microbes9
11288095865biotic structurethe way different categories of organisms fir together in an ecosystem ex: producers, consumers, decomposers10
11288108761carnivoresmeat-eating secondary consumer ex: pigs and bears11
11288122151chlorophyllmolecule that plants use to campsite light energy for photosynthesis ex: green organelle in plant tissue12
11288135999climatedescription of average temperature and precipitation each day throughout the year ex: Fig. 2-2013
11288162677consumerorganisms that must feed on complex organic material to obtain energy and nutrients ex: herbivores, carnivores, omnivores14
11288179344decomposerprimary detritus feeders ex: bacteria and fungi15
11288189355detritusdead or partially digested plant or animal material ex: dead leaves16
11288263063detritus feedersorganisms that feed primarily on dead, decaying, or partially digested organic matter ex: bacteria and fungi17
11288274171ecologistspeople who study ecosystems and interactions ex: your teacher18
11288284727ecologyThe study of ecosystems and interactions ex: what your are doing now19
11288295519ecosystema grouping of plants, animals, and microbes interacting with each other and their environment in such a way to perpetuate the grouping ex: Fig. 2-220
11288317330ecotonethe transition area where one ecosystem blends into another ex: where grasslands meet forest21
11288341598food chainpathways where one organism is eaten by a second, which is eaten by a third, and so on ex: Fig 2-13a22
11288359410food weba way of demonstrating the interaction of food chains ex: Fig 2-13a23
11288374277habitatplant community an physical environment where an organism lives ex: fig 2-224
11288404673herbivorefeed directly on producers ex:deeror rabbit25
11288414859heterotrophorganisms that must feed on complex organic material to obtain energy and nutrients ex: animals26
11288441329hostPlant or animal on which a parasite feeds ex: anything that can be eaten27
11288486867inorganic moleculesSpecific kinds of plants, animals, or microbes that interbreed and produce fertile offspring ex: salt (NaCl)28
11288509969limiting factorsany factor that limits the growth, reproduction, and survival for organisms ex: CO2, rainfall, pH, O2, salinity, temperature29
11288540852limits of tolerancehigh and low ranges of tolerance to abiotic levels ex: fig 2-1930
11288552838microclimateconditions in specific localized areas ex: fig 2-2231
11288566993mutualisma symbiotic relationship between two organisms in which both derive benefit ex: flowers and bees and crocs and birds32
11288593214nichewhat an organism feeds on, where and when it feeds, where it finds shelter and nesting sites ex: fig 2.8 and 2.933
11288619959omnivoreplant and meat eating consumers ex: pigs and bears34
11288627294optimuma certain abiotic level where organisms survive best ex: fig 2-1935
11288645389organic moleculeconstructed in large part from carbon and hydrogen atoms ex: glucose (C6H12O6)36
11288661050parasitesa predator that feeds off its prey for a long time typically w/out killing it ex: ticks37
11288679375parasitisma symbiotic relationship between organisms in which one benefits and the other is being harmed ex: ticks, lice38
11288689770photosynthesisthe process of converting sunlight energy and carbon dioxide to sugar and O2 ex: 6CO2 + 6H2O --> C6H12O6 + 6O239
11288715349populationnumber of individuals that make up an interbreeding, reproducing group within a given area ex: all Rana catesbiana in a farm pond40
11288743856preditoranimal that attacks, kills, and feeds on another animal ex: wolf or owl41
11288756126preyanimal killed and eaten by a predator ex: bullfrogs, deer and rabbit, pigs and bears42
11288767366primary consumersfeed directly on producer ex: deer and rabbit43
11288779505producersorganisms that produce their own organic material from inorganic constituent ex: green plants44
11288801373range of tolerancethe entire span of abiotic values that allow any growth at all ex: fig 2-1945
11288813926secondary consumerfeed on primary consumers ex: wolf and owl46
11288822546speciesspecific kind of plants, animals, or microbes that interbreed and produce fertile offspring ex: bullfog47
11288834809symbioticliving together ex: fig 2-16 2-1748
11288852358synergistic effectgreater effect of two factors interacting together than individually ex: chemical A--> effect B, chemical c--> effect D, chemical A+B--> effect E49
11288893661trophic levelsfeeding levels w/in a food chain or web ex:50
11288915250zone of stressabiotic level between optimal range and high and low level of tolerance ex:51

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