Endangered Earth: Information About Endangered Animals
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SPOTLIGHT IN THE WILD

The background rate of extinction has been interrupted periodically in Earth's history by episodes of mass extinction, periods in which a large percentage of the existing species become extinct in a geologically short amount of time.

Mass extinction episodes represent major collapses of biodiversity and ecosystems, and they lead to fundamental changes in the make-up and distribution of life on Earth.

The species that are most likely to survive mass extinctions are widespread generalists such as cockroaches and weeds.

See: Spotlight on Extinction

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