How are organisms found in very cool and very hot habitats ?

Why does moon have very cold and very hot temperature variations e.g., from -190^(@)C to 110^(@)C even though it is at the same distance from the sun as the earth is?

Awareness to use organic food is very high in developed societies.

Organisms that fix nitrogen in aquatic habitats are

Organisms that fix nitrogen in aquatic habitats are

Species is found exclusively in a specific habitat .

Assertion:- Very small organisms rarely found in polar regions. Reason:- Small animals have a larger surface area relative to their volume, they tend to lose body heat very fast when it is cold outside.