Which Population Would Be Expected to Remain Stable in Size

Question

Which population would be expected to remain stable in size?
A) A population with an r of < 1
B) A population with a  $\lambda$  of 1 or an r of 0
C) A population with an r of > 0
D) A population with a  $\lambda$  of 0 and an r of 1

Accepted Answer

A population with a growth rate ($\lambda$) of 1 or an intrinsic rate of increase (r) of 0 is expected to remain stable in size, as it indicates that the birth rate equals the death rate.