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JAMB Biology 2006 Question 47

Question 47

Ecological Associations

Use the diagram of the lichen to answer: The importance of the association to the fungus is that it obtains

Diagram for this question
  1. A.a partner for reproduction
  2. B.anchorage from the algae
  3. C.oxygen and carbohydrates from the algae
  4. D.water and mineral salts from the algae
Show the answer and explanation

Answer: C (oxygen and carbohydrates from the algae)

Explanation

The alga has chloroplasts and makes carbohydrates by photosynthesis, giving off oxygen. The fungus takes these from the alga, while the fungus gives water and shelter.