SSC
BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is NOT an example of natural selection?
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People selectively breeding hamsters for size.
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Insect populations developing resistance to certain pesticides.
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Bacteria becoming resistant to antibiotics.
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Male birds of certain species inheriting colorful feathers that are more attractive to females.
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Explanation:
Detailed explanation-1: -Natural selection works on populations in response to the existing circumstances, so the survival of species for future and unforeseen scenarios is not required for natural selection.
Detailed explanation-2: -A classic example of natural selection at work is the origin of giraffes’ long necks. The ancestors of modern giraffes were animals similar to deer or antelope, with necks of ordinary length.
There is 1 question to complete.