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JAMB Biology 2009 Question 46

Question 46

Adaptation

The part of a domestic fowl responsible for preventing heat loss is the

  1. A.filoplume
  2. B.contour feather
  3. C.down feather
  4. D.quill.
Show the answer and explanation

Answer: C (down feather)

Explanation

Down feathers are soft and fluffy and lie close to the skin. They trap a layer of air, which insulates the bird.