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Adaptive Radiation

Question

Which of the following factors influences the process of adaptive radiation resulting in rapid speciation the least?
Genetic drift.
Ecological niches vacated by extinction.
Migration to a new area with appropriate resources and few competitors.
The adaptive radiation in a group of organisms that another group of organisms use as a food source.

A

Genetic drift.

B

Migration to a new area with appropriate resources and few competitors.

C

Ecological niches vacated by extinction.

D

The adaptive radiation in a group of organisms that another group of organisms use as a food source.

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Solution

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Genetic drift is a sudden alteration in the frequency of an allele due to a natural calamity. Where a certain variation may out number the other. Adaptive radiation is a gradual process to optimally utilize the resources in a habitat, to prevent extinction due to competition
So, the correct answer is 'genetic drift'

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