Which of the Following is Not an Example of Density-Dependent

Question

Which of the following is not an example of density-dependent regulation?
A)competition and predation
B)intrinsic physiological factors
C)territoriality
D)disease
E)a severe frost

Accepted Answer

Density-dependent regulation refers to factors that increase in intensity as population density increases. A severe frost, however, is not dependent on population density and therefore is not an example of density-dependent regulation.