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Mass Extinction
From Wikipedia, the free encyclopedia
`Mass extinction' is a term used to describe a catastrophic event in the history of a species, or even of all biota in a given location.
The term is often used to describe the disappearance of animals such as dinosaurs, who are thought to have died out as a result of a sudden change in the climate of the planet Earth. There is also evidence that humans or humanoid species have died off because of sudden changes in weather patterns.
The collision of a large meteor in the Earth's atmosphere was once mooted as a reason for the extinction of the dinosaurs. Supervolcanoes are also implicated in the disruption of life on Earth, and the killing of a large percentage of species. Particularly vulnerable to extinction are warm-blooded land animals, unable to adapt quickly to temperature changes.
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