The official IELTS by IDP app is here! Download it today.

Close

where r is the intrinsic growth rate (i.e., the rate at which the population would grow if there were no limits to growth) and K is the carrying capacity (i.e., the maximum population size that the environment can sustain).

These equations describe rates of change. For example:

These extensions would allow for a more nuanced understanding of population growth and its complex interactions with the environment.