Bottom dwelling animals constitute:

Consider the following four statements $(1-4)$ and select the correct pair of adaptations shown by desert lizards to manage their body temperature in their environment.
$(1)$ Burrowing into the soil to escape high temperatures.
$(2)$ Losing energy rapidly from the body during high temperatures.
$(3)$ Basking in the sun when the temperature is low.
$(4)$ Covering the body with a thick,fatty skin.

Niche is defined as the

Altitude sickness is an example of:

$A$ kind of similarity found in polar regions and high altitudes is

Rainfall occurs in chaparral during