Wednesday
3. Scientists believe that the polar bear in Alaska and the brown bear in Russia
ev...
Biology, 07.10.2020 16:01 sbelgirl2000
Wednesday
3. Scientists believe that the polar bear in Alaska and the brown bear in Russia
evolved from a common ancestor. Which would be responsible for this evolutionary
change?
A. artificial selection
B. asexual reproduction
C. sexual competition
D. geographic isolation
Answers: 2
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