Following are sex ratios obtained from a given area. Which one will show an evolutionary stable strategy between males and females respectively?

Identify $P, Q,$ and $R$ in the following descriptions of natural selection types:
$P -$ More individuals acquire peripheral character values at both ends of the distribution curve.
$Q -$ More individuals acquire mean character value.
$R -$ More individuals acquire value other than the mean character value.
$\quad\quad P \quad\quad\quad Q\quad\quad\quad R$

Evolution is a stochastic process based on $:-$

Artificial selection to obtain cows yielding higher milk output represents:

The Natural Selection Theory of Darwin is objected to,because it:

In recent years,$mt-DNA$ and $Y$-chromosome $DNA$ sequences have been used for the study of human evolution because: