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

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

If natality rate is parallel to mortality rate then population

A biologist studied the population of rats in a barn. He found that the average natality was $250$, average mortality $240$, immigration $20$ and emigration $30$. The net increase in population is

Which of the following is correct

$I.$ In a population, birth rate and death rate refer to per capita births and death respectively

$II.$ In nature, we rarely find isolated single individuals of any species

$III.$ The size of population for any species is stable phenomena

$IV.$ Ecological effects of any factors on a population growth are generally reflected in its size/population density

In a population, unrestricted reproductive capacity is called

If non-limiting conditions are provided then what will happen?