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BIOLOGY

JAMB 2004 - Question 39

Biology 2004 JAMB Past Questions - Question 39: The scarcity of food causes a sudden decrease in population size by

Choose the most appropriate option for the gap .

The scarcity of food causes a sudden decrease in population size by

A: decreasing the reproductive rate

B: bringing about immigration

C: raising the mortality rate

D: minimizing the rate of competition

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Correct Answer

Explanation

C- Food scarcity means a fall in food supply The organisms compete for the littlefood available resulting in the immediate death of the less fitted organisms and thepopulation size suddenly drops. Food scarcity ai leads to decrease inreproductive rate : the effect on population size takes a long time to be seen from the most important basic need of living organism and a decrease in the supply result fierce competition