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Why Does EVERYTHING Have Four Limbs?
From humans to monkeys to lizards to frogs, every known species, both living and extinct, with a jaw and a backbone has paired limbs! Why is this and how did this develop? Trace discusses how our stomachs could be the reason why many species evolved into creatures with four appendages.
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Why Does EVERYTHING Have Four Limbs?
From humans to monkeys to lizards to frogs, every known species, both living and extinct, with a jaw and a backbone has paired limbs! Why is this and how did this develop? Trace discusses how our stomachs could be the reason why many species evolved into creatures with four appendages.
Date: 1/30/14
Views: 54140
Video by:  TestTube
 
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