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11.Organisms and Populations
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The logistic population growth is expressed by the equation
A
$dt / dN = Nr (\frac{K-N}{K})$
B
$dN / dt = rN (\frac{K-N}{K})$
C
$dN / dt = rN$
D
$dN / dt = rN (\frac{N-K}{N})$
(AIPMT-2011)
Solution
(b) : Logistic population growth is expressed by following equation:
$dN / dt = rN (\frac{K-N}{K})$
Where, $N$ = population density at time $t$
$r$ = intrinsic rate of natural increase
$K$ = carrying capacity
Standard 12
Biology
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