Why do plants need to be specialized to survive in arid climates?

Area receives little precipitation.

Explanation:

Arid climate is a type of climate that receives less than 25.4 cm of rainfall throughout the year. Desert climate is called as arid climates. Rainfall in arid climates is usually irregular but when rainfall occurs then it will be huge with thunderstorm. Many plants and animals found in that climate adopt themselves from rare rainfall and they remain inactive during most of time of the year and active only on the time when rainfall occurs.