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GCE Biology 1989 Question 43

Question 43

Evolution

The similarity between the bone structure of the arm of a human and the fore-limb of a rabbit indicates

  1. A.adaptive radiation
  2. B.continuous variation
  3. C.a common origin
  4. D.convergent evolution
  5. E.adaptation to the same environment
Show the answer and explanation

Answer: C (a common origin)

Explanation

Limbs with the same basic bones (homologous organs) show that the animals came from a common ancestor.