Biogeochemical Systems Vocabulary

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Genetic drift

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Change in a gene pool because of chance.

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Inexhaustible resource

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A type of natural resource that has a continuous supply and is expected to last at least 6 billion years.

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Nonrenewable natural resources

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Naturally formed slower than we can use them.

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Validity

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Accuracy of a measurement or observation.

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Quantitative observation

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An observation that uses a measurement.

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Renewable resource

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A natural resource that can be replenished naturally over time.

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Ecosystem

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

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Biodiversity

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The variety of life in a particular habitat or ecosystem.

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Sustainability

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The ability to maintain ecological balance by avoiding depletion of natural resources.

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Pollution

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The introduction of harmful substances or products into the environment.