Ecology Terms

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population

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all of the members of a species living in an area together

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predator

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an organism that hunts and kills to obtain food

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prey

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an organism that is killed and eaten by a predator

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symbiosis

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the close relationship between organisms of different species

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mutualism

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a symbiotic relationship where both organisms benefit

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commensalism

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a symbiotic relationship where one organism benefits and the other is neither helped nor harmed

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parasitism

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a symbiotic relationship where one organism benefits and the other is harmed

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carrying capacity

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the maximum population that an environment can support

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limiting factors

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things in the environment that may run out and reduce the size of a population

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biodiversity

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the number of different kinds of organisms living on Earth.