A Population Will Remain at a Constant Size When Emigration

Question

A population will remain at a constant size when emigration equals immigration and
A) food is not a limiting factor.
B) births equal deaths.
C) predators leave the area.
D) available space remains the same.

Accepted Answer

A population will remain at a constant size when births equal deaths, known as population equilibrium. If emigration equals immigration, it only affects the gene flow and diversity of the population but not the population size. Limiting factors such as food and available space can affect the population size, but they are not the only factors needed for a population to remain constant. The absence or presence of predators can affect the population size but not in the context of immigration and emigration.