The size of a population is affected by
A)the number of indicator species in an ecosystem.
B)the number of niches available in an ecosystem.
C)whether the population is native or nonnative to an ecosystem.
D)the absence of indicator species in an ecosystem.
E)birth and death rates of the population in an ecosystem.

Question

Quizplus · Accepted Answer

The size of a population is primarily affected by the birth and death rates of individuals within that population. Other factors may indirectly impact population size, but birth and death rates are the primary drivers of growth or decline.

The Size of a Population Is Affected by