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pkclary pkclary
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Posts: 579
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6 years ago
Which of the following characteristics evolved independently in mammals and birds?
A) bilateral symmetry
B) amniotic eggs
C) jaws
D) bone
E) endothermy
Textbook 
Biological Science, Canadian Edition

Biological Science, Canadian Edition


Edition: 2nd
Authors:
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mastemamastema
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6 years ago
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pkclary Author
wrote...

6 years ago
this is exactly what I needed
wrote...

Yesterday
Smart ... Thanks!
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2 hours ago
Good timing, thanks!
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