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Question: Answered & Verified by Expert
Assertion: Darwin's finches are a classical example of natural selection.
Reason : Darwin explained that the difference in size and shape of the beaks of the species was a result of the adaptation of the species to different food habits.
BiologyEvolutionAIIMSAIIMS 2015
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion.
  • B Ifboth assertion and reason are true but reason is not the correct explanation of assertion.
  • C If assertion is true but reason is false.
  • D If both assertion and reason are false.
Solution:
2952 Upvotes Verified Answer
The correct answer is: If both assertion and reason are true and reason is the correct explanation of assertion.
Darwin's finches represent an excellent example of adaptive radiation. Darwin's finches showed wide variations in beak shape and size from island to island. Darwin deduced that these variations made the finches better adapted to take advantage of the food in their particular local environment - thin, sharp beaks prevailing where the birds' main food was insects and grubs, and large claw shaped beaks where their diet was buds, fruits and nuts.

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