Thursday, September 6, 2012

Egan: Evidence of Evolution

http://www.youtube.com/watch?v=cC8k2Sb1oQ8

Turtle
Testudines
 This video explains how bio-geographical influences caused evolution among turtles. Around the 3 min. mark, the video begins to explain how the length of turtles necks changed over time to make turtles more suitable for their environments.

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