Biodiversity Review

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What does it mean for a species to be extinct?

Back

All members of a species have died.

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What is biodiversity?

Back

The number of different species in a given area.

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What is an endangered species?

Back

A species that is likely to become extinct if protective measures are not taken immediately.

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How can humans help endangered species?

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By protecting the animal’s habitat.

Front

Which of the following is NOT a way humans destroy habitats?

Back

Gathering rain water to use to water crops.

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What is a threatened species?

Back

A species that is likely to become endangered in the near future.

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What is a keystone species?

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A species that has a disproportionately large effect on its environment relative to its abundance.

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What is habitat destruction?

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The process in which natural habitat is rendered unable to support the species present.

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What is an endemic species?

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A species that is native to a particular area and is not found naturally anywhere else.

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What role do humans play in biodiversity loss?

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Humans contribute to biodiversity loss through habitat destruction, pollution, overfishing, and climate change.