Ecosystems Flashcards

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organism

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A living thing

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habitat

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An environment that provides the things a specific organism needs to live, grow, and reproduce

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biotic factor

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A living or once-living part of an organism’s habitat

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abiotic factor

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A nonliving part of an organism’s habitat

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population

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All the members of one species living in the same area

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community

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All the different populations that live together in a certain area

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ecosystem

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The community of organisms that live in a particular area, along with their nonliving environment

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limiting factor

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An environmental factor that causes a population to decrease in size

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resources

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Something found in nature that enhances the lives of plants, animals, and humans

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density

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The measurement of how much mass of a substance is contained in a given volume