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WAEC Biology 2020 Question 27

Question 27

Ecological Associations

A mutualism type of relationship is different from a parasitic relationship because in mutualism,

  1. A.both organisms involved benefit.
  2. B.none of the organisms benefits or harm each other.
  3. C.both organisms harm each other.
  4. D.only one of the organisms is harmed.
Show the answer and explanation

Answer: A (both organisms involved benefit.)

Explanation

In mutualism both partners gain, while in parasitism the parasite gains and the host is harmed.