Question

cactus plants have thick, fleshy and green stems. why?

Answer 1

Cactus mostly grows in desert. In desert, there is lack of water. Cactus absorbs water from sub-soil through long roots which is little in amount. So, to prevent excess loss of water from cactus and to help it survive, cactus have thick fleshy and green stems preventig transpiration.

Answer 2

Answer:

Explanation:

Cactus mostly grows in desert. In desert, there is lack of water. Cactus absorbs water from sub-soil through long roots which is little in amount. So, to prevent excess loss of water from cactus and to help it survive, cactus have thick fleshy and green stems preventig transpiration.