The cause of zero growth of population is
Any species growing ...$A$... under unlimited resource conditions can reach enormous population densities in a short time. Darwin showed how even $\ldots$ $B$... 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
Certain characteristic demographic features of developing countries are
A population of Paramoecium caudatum was grown in a culture medium. After $5$ days the culture medium became overcrowed with Paramoeium and had depleted nutrients. What will happen to the population and what type of growth curve will the population attain ? Draw the growth curve.