Ecological factors which prevent a species from producing at its maximum rate is termed as

High growth at the time of the exponential phase of the human population growth curve is due to:

The number of deaths and births in the last stage of the plateau growth curve of a population will be:

In a forest, there are initially $100$ deer. Over a certain period, $30$ are born and $10$ die. Assuming food is abundant and predators are few, calculate the intrinsic rate of natural increase for that population.

The environmental resistance means

If $N$ is the population density at time $t$,then at time $t + 1$,the density is calculated as . . . . . . .