Capacity of the environment in which a species can get maximum nutrition is called
Carrying capacity
Growth capacity
Population density
Death rate
In India, the population growth
$A $: Under unlimited resource condition a population can show a exponential growth curve.
$R$ : $A $maximum possible number of individuals can always be supported when enough resources are available
In the exponential growth equation $\mathrm{N}_{\mathrm{t}}=\mathrm{N}_{0} \mathrm{e}^{\mathrm{rt}}$, $e$ represents :