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ima-gine ima-gine
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5 years ago
Although birds and mammals descended from different ancestors, they both have a four-chambered heart. This is the result of
A) the simplification of the cardiovascular system.
B) the necessity for rapid movement of blood.
C) convergent evolution.
D) genetic aberrations that resulted from mistakes in somatic cell division.
Textbook 
Campbell Biology: Concepts and Connections

Campbell Biology: Concepts and Connections


Edition: 8th
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gsmith9495gsmith9495
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ima-gine Author
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5 years ago
Just got PERFECT on my quiz
kaytee23
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Helped a lot
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this is exactly what I needed
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