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Permian-Triassic Extinction

Grades: 9-12
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In this video segment from Evolution: "Extinction!", geologist Peter Ward shows rock layers laid down during the Permian and Triassic periods. The Permian layers ...

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Accessibility: Auditory, Visual

Permitted use: Stream Only

Favorite count: 41
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Source: Evolution: "Extinction!"

Credits

©2001 WGBH Educational Foundation and Clear Blue Sky Productions, Inc. All rights reserved.


Project Credits

Contributor: WGBH Educational Foundation


Funder: National Science Foundation


Producer: WGBH Educational Foundation