A population reaches a stable-age distribution when the
A)population stops growing.
B)birthrate is less than the death rate.
C)net reproductive rate (R0)is zero.
D)proportion of individuals in each age group remains the same.

Question

Quizplus · Accepted Answer

A stable-age distribution occurs when the proportion of individuals in each age group remains constant over time. This means that the birthrate and death rate are balanced, and the net reproductive rate (R0) is also zero. However, a stable-age distribution does not necessarily mean that the population has stopped growing or that the birthrate is less than the death rate.

A Population Reaches a Stable-Age Distribution When the