Multiple choice

Match the relationship existing between two organisms listed in Group I with its description in Group II.

 
Group I Group II
A. Ammensalism 1. One population is benefited and the other is harmed.
B. Commensalism 2. Two dissimiliar species living together in close association.
C. Symbiosis 3. Heterotrophic organisms that ingest other organisms.
D. Parasitism 4. One population is inhibited but the other is not affected.
5. One population is benefited but the other is not affected.

  1. P - 4, Q - 1, R - 2, S - 3

  2. P - 3, Q - 5, R - 4, S - 1

  3. P - 5, Q - 4, R - 3, S - 5

  4. P - 4, Q - 5, R - 2, S - 1
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This matching question tests knowledge of ecological relationships. Ammensalism (4) involves one organism being inhibited while the other is unaffected. Commensalism (5) benefits one organism while the other is unaffected. Symbiosis (2) refers to two dissimilar species living in close association. Parasitism (1) benefits one organism while harming the other.

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