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To: metmom
Then how did they differentiate enough to become two distinct species if they shared the same environment?

Humans and dogs share the same environment. How did they differentiate?

18 posted on 07/22/2007 9:21:07 PM PDT by webheart
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To: webheart
Humans and dogs share the same environment. How did they differentiate?

Both derived from a common ancestor probably 100+ million years ago. Some physiology never changed: if you clip your dog's nails, you'll notice that the fronts grow twice as fast as the rears. Just like us!

42 posted on 07/23/2007 3:38:30 AM PDT by Does so
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