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Standard XII
Biology
Lamarckism
Adaptive radi...
Question
Adaptive radiation is an example for
A
Directional selection
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B
Diversifying selection
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C
Stabilizing selection
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D
Sympatric speciation
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Solution
The correct option is
D
Diversifying selection
The disruptive selection also called diversifying selection.
It describes changes in population genetics in which extreme values for a trait are favoured over intermediate values.
In this case, the variance of the trait increases and the population is divided into two distinct groups.
A key part of the ecological theory of adaptive radiation is disruptive selection during periods of sympathy.
Hence, Adaptive radiation is an example of Diversifying selection.
So, the correct answer is 'Diversifying selection'.
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