When does the growth rate of a population following the

When does the growth rate of a population following the logistic model equal zero? The logistic model is given as dN/dt = rN(1–N/K)

1. when N/K is exactly one.
2. when N nears the carrying capacity of the habitat.
3. when N/K equals zero.
4. when death rate is greater than birth rate.

In logistic growth model population growth equation is described as

	dN	= rN		1 -	N
	dt				K

N = population density at time t;
r = Intrinsic rate of natural increase;
K = carrying capacity

When N/K = 1; 1 –	N	= 0
	K

Therefore,	dN	= 0
	dt