Organisms occupying similar ecological niche but different geographical areas of distribution are called as

If organisms are facing localized stressful conditions in their habitat for a period like winter,then they will . . . . . . to hospitable region.

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

The flora and fauna in lakes or ponds are known as:

Taiga refers to

Consider the following four conditions $(1-4)$ and select a correct pair of them as adaptations to the environment in desert lizards.
Conditions:
$1$. Burrowing in soil to escape high temperature.
$2$. Losing heat rapidly from the body during high temperature.
$3$. Bask in sun when temperature is low.
$4$. Insulating body due to thick fatty dermis.