Biodiversity and Conservation

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Background Extinctions

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Naturally occurring extinctions, occurring one species at a time.

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Extinction

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The disappearance of a species when the last of its members dies.

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Endemic

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Native, local; natural, specific to, or confined to a particular place.

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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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Natural Resource

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Any material or organism in the biosphere, including water, soil, fuel, and plants and animals.

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Mass Extinction

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An event in which a large number of species become extinct in a relatively short period of time.

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Threatened Species

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

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Ecosystem Stability

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High levels of biodiversity tend to increase the stability of an ecosystem.

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Conservation Biology

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A field of biology that focuses on the study and preservation of biodiversity.

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Habitat Fragmentation

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The process by which a large, continuous area of habitat is divided into smaller, isolated patches.