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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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Jermain_ Jermain_
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10 years ago

 
True flight has arisen in   
A)
 
birds and reptiles.   
B)
 
mammals.   
C)
 
insects.   
D)
 
all of the above   
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padrepadre
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10 years ago
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Jermain_ Author
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#2
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10 years ago
Thanks man, Principles of Animal Physiology is a bitch
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