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WAEC Biology 2026 Question 28

Question 28

Support and Movement

The correct pair of organism with its type of skeleton is

  1. A.grasshopper and endoskeleton
  2. B.earthworm and hydrostatic skeleton
  3. C.rat and exoskeleton
  4. D.spider and endoskeleton
Show the answer and explanation

Answer: B (earthworm and hydrostatic skeleton)

Explanation

An earthworm is supported by fluid under pressure in its body cavity (hydrostatic skeleton). Grasshoppers and spiders have exoskeletons, rats endoskeletons.