Which of the following has a natural selection as principle mechanism?
A
Adaptive radiation
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B
Convergent evolution
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C
Genetic variation
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D
None of the above
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Solution
The correct option is A Adaptive radiation Principle Mechanism:-
Variation. Organisms (within populations) exhibit individual variation in appearance and behavior.
Inheritance. Some traits are consistently passed on from parent to offspring.
High rate of population growth.
Differential survival and reproduction.
Adaptive radiation:- A process in which organisms diversify rapidly from an ancestral species into a multitude of new forms, particularly when a change in the environment makes new resources available, creates new challenges, or opens new environmental niches. So,the correct answer is "Adaptive radiation".