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chubi1993 chubi1993
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Posts: 671
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6 years ago
Looking at interior nodes in the figure above, the two dots closest to the bottom of the figure represent what?
 
  a. ancestral populations
  b. the common ancestor of birds and crocodilians
  c. the common ancestor to all tetrapods
  d. A and B
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wrote...
6 years ago
D
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