The process by which individuals are included into a population is known as

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

Human population growth curve of today is

The physiological capacity to produce offsprings is called

Which one is right for logistic model for population growth?

$I.$ Population growth rate increases as the size of population approaches the carrying capacity

$II.$ All individual have same effect on population growth

$III.$ There are unlimited natural resources

$IV.$ As population increases the competition goes on increasing

Select the correct combination