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JAMB Biology 2006 Question 48

Question 48

Ecological Associations

Use the diagram of the lichen to answer: The association illustrated demonstrates

Diagram for this question
  1. A.parasitism
  2. B.commensalism
  3. C.saprophytism
  4. D.mutualism
Show the answer and explanation

Answer: D (mutualism)

Explanation

In a lichen, the alga feeds the fungus and the fungus shelters the alga and keeps it moist. Both benefit, so it is mutualism.