Which are characteristics of a desert ecosystem? dry and hot, dry and cold, many plants grow here, receives less than ten inches (twenty-five am) of rain per year, covers one-half of the earth

A desert ecosystem must receive less than ten inches of annual rainfall. There are lesser clouds, and the temperature during day is very high, but during night, the temperature decreases as the clouds vanish and now the heat of the can dissipate into the atmosphere.

Explanation:your answer.

a and b because with the other three, they simplify to something else.