The logistic population growth is expressed by the equation
The logistic population growth is expressed by the equation
- [AIPMT 2011]
- A
$dt / dN = Nr (\frac{K-N}{K})$
- B
$dN / dt = rN (\frac{K-N}{K})$
- C
$dN / dt = rN$
- D
$dN / dt = rN (\frac{N-K}{N})$
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The following graph depicts changes in two populations $(A$ and $B)$ of herbivores in a grassy field. $A$ possible reason for these changes is that
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- [NEET 2015]
The formula of growth rate for population in a given time is
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Phenomenal and rapid increase of population in a short period is called
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