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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):

when death rate is greater than birth rate.
when N/K is exactly one.
When N nears the carrying capacity of the habitat.
when N/K equals zero.
Explanation:

dN/dt = rN(l-N/K) is the Verhulst - Pearl logistic growth equation in which if N / k is exactly 1, (1-N/K) becomes zero that means growth is zero.
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