The unrestricted reproductive capacity in a population is called ........

For bacterial growth in a cell culture,the growth law is very similar to the law of radioactive decay. Which of the following graphs is most suitable to represent bacterial colony growth?

The birth and death rates of four countries are given below. Which one will have the least population growth rate?

$Country$	$Birth\, rate$ $/1000$	$Death\, rate$ $/1000$
$M$	$15$	$5$
$N$	$25$	$10$
$O$	$35$	$18$
$P$	$48$	$41$

Given below are two statements.
Statement $I$: Under unlimited resource conditions,every species is capable of growing exponentially.
Statement $II$: $A$ population growing in a habitat with limited resources initially shows a very slow rate of growth.
In the light of the above statements,choose the correct option.

Which of the following is true for $r$-selected species?

The equation of Verhulst-Pearl logistic growth is $\frac{dN}{dt}=rN\left[\frac{K-N}{K}\right]$. From this equation,$K$ indicates: