WAEC Biology 2021 Objective — Question 32

Question 32 of 50 from the West African Examinations Council (WAEC) Biology 2021 Objective paper, with the correct answer and a full explanation.

32. The illustration below is a food chain: Grass → grasshopper → domestic fowl → hawk. What would happen if the population of domestic fowl decreases? The

A. population of grasshoppers would decrease.
B. hawks would increase.
C. grasshoppers would increase.Correct
D. grasses available to grasshoppers would increase.

Explanation

With fewer domestic fowl (a predator of grasshoppers) preying on them, the grasshopper population would increase.

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