Density-dependent factors are population-regulating factors that
A) affect the same proportion of individuals regardless of population size.
B) are usually weather-related.
C) affect only sessile organisms.
D) influence only fecundity.
E) have effects that vary depending on population size.

Question

Quizplus · Accepted Answer

Density-dependent factors have effects that vary depending on population size. This means that the impact of these factors increases as the population size increases, and vice versa. Examples of density-dependent factors include competition for resources, predation, and disease.

Density-Dependent Factors Are Population-Regulating Factors That