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purpleberry purpleberry
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Posts: 1596
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7 years ago
According to this graph, when did the extinction rate in mammals exceed that of birds, if at all?
A) 1600-1649
B) 1700-1749
C) 1800-1849
D) 1900-1949
Textbook 
Biology: Science for Life with Physiology

Biology: Science for Life with Physiology


Edition: 5th
Authors:
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cameronicameroni
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7 years ago
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purpleberry Author
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7 years ago
Great answer!!!
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