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The flippers of a whale and the fins of a fish are examples of…

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The flippers of a whale and the fins of a fish are examples of…

A. divergent evolution

B. coevolution

C. continuous variation

D. convergent evolution

QUICK ANSWER…

D

DETAILS…  

the flippers of a whale are used in swimming, and the fin of a fish is also used in swimming. However, note that a whale is not same as a fish in terms of species. Whales are mammals while fishes are not.

Now to the right option…

  1. Option A is incorrect; divergent evolution occurs between organisms of the same species. When organisms of the same species develop different traits due to exposure to different external conditions, the evolution is often said to be divergent.
  2. Option B is also incorrect; coevolution occurs when two or more organisms interacts and evolves together while influencing one another’s evolution.
  3. No, continuous variation is a variation where traits are arranged in a continuum of no specific number, it is often measured between organisms of the same species and has nothing to do with comparism between whales and fishes.
  4. Actually, D is correct; convergent evolution occurs when organisms of different species develop similar traits to respond to the same environmental factors.

QUICK ADVICE…

You may please note that:

  • Convergent evolution involves organisms of different species evolving to respond to the same condition (in this case – swimming).
  • Divergent evolution involves organisms of same species evolving to respond to different factors.
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/culled from 2018 JAMB-UTME biology question 40/

The flippers of a whale and the fins of a fish are examples of… » QuizTablet
The flippers of a whale and the fins of a fish are examples of… » QuizTablet

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