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JAMB Biology 2012 Question 45

Question 45

Ecological Associations

Use the graph of number of organisms of P. aurelia and P. caudatum against time (days) to answer: Which of the following statements is true of the interaction?

Diagram for this question
  1. A.P. aurelia is better adapted for obtaining food than P. caudatum.
  2. B.P.caudatum is better adapted for obtaining food than P.aurelia.
  3. C.Both organisms cannot coexist.
  4. D.Both organisms cannot reproduce.
Show the answer and explanation

Answer: A (P. aurelia is better adapted for obtaining food than P. caudatum.)

Explanation

The P. aurelia population keeps rising while P. caudatum falls, so P. aurelia wins the competition for food.