Two or more species occupying identical or overlapping areas are known as

Given below are two statements.
Statement $I$: Habitat consists of numerous niches.
Statement $II$: Niche is an area where a species lives and prospers.
In the light of the above statements,choose the correct option.

The treeless biome of cold climates is:

Consider the following four conditions $(i-iv)$ and select the pair that represents the adaptation of desert lizards to their environment.
$(i)$ Burrowing into the soil to escape high temperatures.
$(ii)$ Rapidly losing body heat during high temperatures.
$(iii)$ Basking in the sun and absorbing heat when the temperature is low.
$(iv)$ Insulating the body due to a thick layer of fat.

The physical space occupied by the organism is called its . . . . . . niche.

$A$ community is defined as