Question

A severe drought is an example of a density-_____ factor that can influence population size. the availability of nest sites is an example of a density-_____ factor.

Answer 1

The first answer is "density-independent factor", while the second answer is "density-dependent factor".

Both can limit population growth. However, density-independect factors act on the population regardless of the size, while the effects of density-dependent factors increase as population density increases.