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Why did dinosaur become extinct

The most common theory about dinosaur extinction is that impact of a large meteor initiated a series of events that kill the dinosaur. However, there are other theories as well. In this video, Neal Adams argues that dinosaur were migratory animals. The Mediterranean opened 63 million years ago, due to the expansion of earth. This prevented migration of dinosaur to Eurasia causing their extinction. Edited by Ashraf

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Tags: Dinosaur Extinction

Uploaded by: ( Send Message ) on 16-10-2010. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

Duration: 1m 57s

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