Animals that do not maintain a constant body temperature are called.....

The $Veldts$ of $Africa$ and the $Pampas$ of $South$ $America$ are examples of which biome?

Animals that move about or swim about in the sea are known as:

Why are small-sized animals rarely found in polar regions?

$A$ community is defined as

Behavioural adaptations to the environment in desert lizards are:
$I.$ Burrowing into the soil
$II.$ Losing heat during high temperature
$III.$ Active during morning and evening
$IV.$ Insulating body due to thick fatty dermis
Select the correct pair.