Answer:
Plants have evolved following mechanisms to survive in a semi-arid or desert environment:
(i) By reducing the leaf area by dropping the leaves at the onset of drought period and developing new leaves on the onset of rain.
(ii) Desert plants employ CAM type of photosynthesis and close their stomata during the day and opens them at night.
(iii) When the water is limited, many plant species reorient the angle of their leaves, so there leaf surface are paralled to sun rays reducing leaf temperature and also rate of transpiration.
Some succulent niants can store water in their tissues, using this water during periods of drought and stress.
You need to login to perform this action.
You will be redirected in
3 sec
