A population would be expected to grow if
A)immigration increased and deaths and emigration decreased.
B)immigration and emigration increased by the same number of organisms.
C)emigration and death rates stayed the same and immigration decreased.
D)births decreased by 1% and emigration increased by 8%.

Question

Quizplus · Accepted Answer

Immigration is the key factor that would increase the population size. If immigration increases and both deaths and emigration decrease, then the net growth rate would be positive leading to an increase in population size. None of the other options suggest an increase in immigration or a decrease in deaths and emigration, which are necessary for population growth.

A Population Would Be Expected to Grow If