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Evolution facts on speciation and extinction

This is the best of science' video on evolution facts. It covers speciation and extinction of planet organisms. Learn and enjoy knowledge of the earth.

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Tags: Evolution facts on speciation and extinction

Uploaded by: ( Send Message ) on 30-01-2013. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

Duration: 9m 18s

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