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Carrying Capacity

In the equati...

Question

In the equation , $\frac{d N}{d t} = r N (\frac{K - N}{K})$ , r stands for

A

Intrinsic rate of natural increase

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B

Death rate

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C

Population density at time t

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D

Carrying capacity

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E

The base of natural logarithms

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Solution

The correct option is A Intrinsic rate of natural increase
The population growth rate is measured in number of individuals in a population (N) over time (t). The term for population growth rate is written as (dN/dt). The d just means change. K represents the carrying capacity, and r is the maximum per capita growth rate for a population. Per capita means per individual, and the per capita growth rate involves the number of births and deaths in a population. The logistic growth equation assumes that K and r do not change over time in a population.

So, the correct answer is 'A'.

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