Which Is a Major Assumption of the BD Model of Population

Multiple Choice

Which is a major assumption of the BD model of population change?

A) Populations always grow.
B) Populations are limited by a fixed carrying capacity.
C) Once an organism has acquired a unit of some resource,this resource can be used for only one function at a time.
D) Individuals do not move into or out of the population.
E) Population growth is density dependent.