Question

Why are the leaves of cactus plants modified into spines?

Answer 1

to conserve water... .it is an adoption for conserving water..

Answer 2

Hlo mate ......Here is ur answer.......


Most species of cacti have lost trueleaves, retaining only spines, which are highly modified leaves. As well as defending against herbivores, spineshelp prevent water loss by reducing air flow close to the cactus and providing some shade. In the absence of leaves, enlarged stems carry out photosynthesis.

Hope it may helps