From the given graph of population growth,select the correct option that shows the correct value of '$r$' and the corresponding age pyramid.

The exponential growth equation is $N_{t} = N_{0}e^{rt}$,where $N_{t}$ is the population density after time $t$. What do $N_{0}$ and $r$ refer to,respectively?

Given below are two statements:
Statement-$I$: $A$ population growing in a habitat with limited resources shows initially a lag phase.
Statement-$II$: $A$ population growing in a habitat with limited resources shows finally an asymptote phase.

Which one of the following is $INCORRECT$ about the logistic growth model?

In a population growth curve,which of the following equations represents the sigmoid growth curve?

Human population after the $17$th century $A.D.$ is thought to be in which phase?