Question

All of the following would result in a change in population size except

A. immigration of individuals into the population range.
B. equal birth and death rates.
C. emigration of individuals out of the population range.
D. the death rate exceeding the birth rate.

Answer 1

Let's look at all the options one by one:

A. immigration of individuals into the population range.
-this would increase the population

B. equal birth and death rates.
-this is the correct answer! It would not change the population size

C. emigration of individuals out of the population range.
-this would decrease the population

D. the death rate exceeding the birth rate.
-this would decrease the population