The exponential phase of human population growth started approximately in which year (in $A.D.$)?

What is Darwinian fitness?

In which phase is the human population after the $17^{th}$ century?

The population growth curves are given below. Identify the equations for $P$ and $Q$.

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?

If in a population of size $N$,the birth rates are represented as $b$ and death rates as $d$,then the increase or decrease in $N$ during a unit time period $t$ will be: