Ecology Terms

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mutualism

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Interaction where both species benefit

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parasitism

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One organism benefits, the other is harmed

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symbiosis

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Close, long-term interaction between species

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commensalism

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One benefits, the other is unaffected

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biotic factor

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Living component of an ecosystem

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abiotic factor

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Non-living component of an ecosystem

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limiting factor

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Restricts the growth of a population

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food web

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Network of interconnected food chains

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primary consumer

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Herbivore, eats producers

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producer

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Organism that makes its own food