What can be a main characteristic of a desert biome? Cool nights allow fur coated animals to step in
There are many individuals of the same species.
Changing air temperature allow a seasonally structured ecosystem
There are many species but low number of individuals.

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.