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JAMB Biology 1999 Question 11

Question 11

Evolution

The key event in the transition of the amphibians from water to land is the

  1. A.replacement of the gills with lungs
  2. B.possession of webbed limbs
  3. C.development of long hind limbs
  4. D.possession of tympanic membrane.
Show the answer and explanation

Answer: A (replacement of the gills with lungs)

Explanation

To live on land an animal must breathe air, so replacing gills with lungs was the key change.