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Question

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".

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