WAEC Biology 2026 Question 45

Question 45

Ecological Associations

Commensalism is a relationship in which

  1. A.both partners lose because they harm each other
  2. B.one partner benefits and the other loses
  3. C.one partner benefits and the other neither loses nor benefits
  4. D.each of the two organisms benefits
Show the answer and explanation

Answer: C (one partner benefits and the other neither loses nor benefits)

Explanation

In commensalism one organism gains while the other is neither helped nor harmed.