The study of human population growth is known as:

If the population at time $t$ is $N_t$,then its population at time $t + 1$ is . . . . . . .

For the Verhulst-Pearl Logistic Growth equation $dN/dt = rN \left(\frac{K-N}{K}\right)$,what does $K$ indicate?

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

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.

Environmental resistance includes which of the following factors?