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WAEC Biology 1991 (August) Question 47

Question 47

Ecological Associations

Predators are beneficial in pest control because they

  1. A.are natural enemies of small mammals
  2. B.devour farm animals
  3. C.feed on pests of crops
  4. D.prey on game animals
  5. E.compete for food with the pests
Show the answer and explanation

Answer: C (feed on pests of crops)

Explanation

Predators eat crop pests and so keep their numbers down (biological control).