Graph $A$ and $B$ indicate:

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

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 formula for exponential population growth is

Any species growing $A$ under unlimited resource conditions can reach enormous population densities in a short time. Darwin showed how even $B$ growing animal like elephant could reach enormous numbers in absence of check and that characteristics of organism is called $C$. Choose the correct option for $A, B$ or $C$ respectively.

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