Which major biome of India is represented in the given figure?

Match the following and select the correct option.

$A.$ Earthworm	$(i)$ Pioneer species
$B.$ Succession	$(ii)$ Detritivore
$C.$ Ecosystem service	$(iii)$ Natality
$D.$ Population growth	$(iv)$ Pollination

The given diagram represents the response of organisms to abiotic factors. What do $i, ii,$ and $iii$ represent respectively?
| $i$ | $ii$ | $iii$ |

Countries with high population growth rates have taken measures to reduce them. The figure below shows the age pyramids of populations. Which of the following is a correct interpretation for their status after $20$ years?

The given human population age pyramid represents..........

Identify $X$ and $Y$ in the given figure,which represents the biome distribution with respect to mean annual temperature and mean annual precipitation.