The plants do retain a relatively higher level of hydration under soil or atmospheric water stress is known as

Solution (By Examveda Team)

The plants do retain a relatively higher level of hydration under soil or atmospheric water stress is known as Dehydration avoidance.
A plant can retain a relatively higher level of hydration under conditions of soil or atmospheric water stress.
Dehydration avoidance can be achieved either by reducing transpiration (water savers) or increasing water uptake (water spenders).