Biology 2015 JAMB Past Questions - Question 31: Which of the following factors can bring about competition in a population?

Correct Answer

B

Explanation

Drought is long period of time when there is little or no rain. The grasses dry up, the few available will be competed for by herbivores. The fittest of the herbivoresi.e. the survivors will be competed for by the carnivores Gradually the entire population thin off. Mortality- this is the number of deaths in a particular situation or period of time. High mortality lov e population size and brings about less competition. Emigration is the number persons who leave their count!-. live in another country. When they leave their country,the population size decreases resulting in le: demand for basic needs. Dispersion is the process by wh: people or things are spread over wide area. This reduces clustering and demand .