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WAEC Biology 1994 Question 60

Question 60

Support and Movement

Which of the following structures does not function as support in animals?

  1. A.Cuticle in arthropods
  2. B.Scales in birds
  3. C.Cartilage in mammals
  4. D.Body fluid in earthworms
  5. E.Bones in vertebrates
Show the answer and explanation

Answer: B (Scales in birds)

Explanation

Scales on a bird's legs only protect; the others form skeletons (exo-, endo- or hydrostatic).