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WAEC Biology 2017 Question 48

Question 48

Adaptation

One of the structural adaptations of mammals for movement on land is the development of the

  1. A.hollow bones.
  2. B.pentadactyl limb.
  3. C.fused thoracic bones.
  4. D.streamlined body.
Show the answer and explanation

Answer: B (pentadactyl limb.)

Explanation

Mammals have pentadactyl (five-digit) limbs, which support the body and are adapted for walking, running and climbing on land. Hollow bones and fused bones are bird features for flight.