The diagram below shows a population growth curve.

At which time in the population growth curve does the population size begin to decline?

A Between the time marked 1 and 2
B. During the time marked 2
C Between the time marked 2 and 3
D. The graph does not show a time when population size declines

D

N/A

Population growth, as shown by the curve below, is the result of changes in mortality, natality, immigration and emigration. Which of the following statements about population growth is correct?

A. In phase I there is no mortality.
B. In phase II mortality equals natality and immigration equals emigration.
C. In phase III mortality and emigration are less than natality and immigration.
D. In phase II mortality and emigration are less than natality and immigration.

C

N/A