Biology, 11.03.2020 19:01 lol15arec001

Which of the following examples likely occurred through natural selection?
A.
In a litter of puppies, some puppies have brown fur while others have black fur.
B.
Some humans have hair on the middle part of their fingers, while others do not.
C.
There are several colors of roses, such as red, white, pink, and yellow.
D.
Giraffes have longer necks than their ancestors.

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Which of the following examples likely occurred through natural selection?
A.
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