7.5 Ecosystem Dynamics Vocabulary

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independent variable

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The part of the experiment that is changed to produce results.

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seed dispersal

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How seeds are spread around for possible growth in the future.

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fluctuate

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Small increases and decreases.

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trend

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A general direction in which something is developing or changing.

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constraints

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A limitation or restriction.

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ecosystem

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A community of living organisms and their interactions with their environment.

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biome

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A large geographical biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

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biodiversity

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The variety of life in the world or in a particular habitat or ecosystem.

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abiotic factors

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Non-living chemical and physical parts of the environment that affect living organisms.

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biotic factors

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Living components of an ecosystem, such as plants, animals, and microorganisms.