Basic Ecology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| abiotic factor | physical, or non-living, factor that shapes an ecosystem
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| autotroph | organism that can produce its own food by turning the sun’s energy into organic compounds; also called a producer
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| biogeochemical cycle | process in which elements, chemical compounds and other forms of matter are passed from one organism to another and from one part of the biosphere to another
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| biotic factor | living factor that shapes organisms within an ecosystem
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| carnivore | organism that obtains energy by eating animals (meat)
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| commensalism | a symbiotic relationship in which one member of the association benefits while the other is neither helped nor harmed
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| consumer | an organism that relies on other organisms for its energy and food supply
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| decomposer | organism that breaks down and obtains energy from dead organic matter
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| detritivore | organism that feeds on plant and animal remains and other dead matter
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| succession | gradual change in living communities that follows a disturbance
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| food chain | series of steps in an ecosystem in which organisms transfer energy by eating and being eaten.
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| food web | network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem
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Created by:
ARhymer