Biology, 21.03.2020 05:58 KingREGEVER7446
The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the corresponding bones in whales have very different shapes and proportions. However, genetic data suggest that all three kinds of organisms diverged from a common same time. Which of the following is the ancestor at about the most likely explanation for these data?
A. Forelimb evolution was adaptive in people and bats, but not in whales.
B. Whales are not properly classified as mammals.
C. Natural selection in an aquatic environment resulted in significant changes to whale forelimb anatomy
D. Genes mutate faster in whales than in humans or bats.
E. Humans and bats evolved by natural selection, and whales evolved by Lamarckian mechanisms.
Answers: 3
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The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the correspo...
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