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24 Cards in this Set
- Front
- Back
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What is Ecology?
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The study of interactions that take place between organisms and their environment.
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What is Biosphere?
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The portion of the earth that supports living things.
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What is Abiotic factors?
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The nonliving part of an organisms environment.
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What is Biotic factors?
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Living organisms.
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What is Population?
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A group of organisms, all of the same species, which internreed and live in the same area at the same time.
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What is Biological Community?
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Made up of interacting populations in a certain area at a certain time.
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What is Ecosystem?
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Made up of interacting populations in a biological community and the communities abiotic factors.
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What is Habitat?
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Place where an organism lives out its life.
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What is Niche?
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Stratagies and adaptions a species uses in its environment.
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What is Symbiosis?
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Living together.
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What is Mutualism?
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A symbiotic relationship in which both species are benefited.
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What is Commensalism?
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A symbiotic relationship in which one species benefits and the other species is neither harmed nor benefited.
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What is Parasitism?
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A symbiotic relationship in which a member of one species derives benefits at the expense of another species.
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AUTOTROPH
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An organism that uses light energy or energy-stored in chemical compounds to make energy rish compounds.
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HETERTROPH
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An organism that does not make it's own food but feeds off of autotrophs.
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DECOMPOSER
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An organism that breaks down hetertroph's and makes them were other things can eat them.
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FOOD CHAIN
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A simple model that scientists use to show how matter and energy move through an ecosystem.
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TROPHIC LEVEL
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Each organism in a food chain represents a trophic level.
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FOOD WEB
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Shows all the possible relationships at each trophic level in a community.
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BIOMASS
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The total weight of living matter at each trophic level.
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PRECIPITATION
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The falling to earth of any form of water.
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EVAPORATION
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The phase change of a liquid water to a water vapor.
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CONDENSATION
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The process which water vapor is changed inot liquid.
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TRANSPORATION
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In plant the loss of water through stomata.
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