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JAMB Biology 2004 Question 10

Question 10

Animal Kingdom

A peculiar characteristic of mammals is that they

  1. A.have teeth
  2. B.are warm-blooded
  3. C.have lungs
  4. D.have sebaceous glands
Show the answer and explanation

Answer: D (have sebaceous glands)

Explanation

Sebaceous (oil) glands in the skin are found only in mammals. Birds are also warm-blooded, and reptiles also have lungs and teeth.