Question

how xerophytes are adapted to their functions

Answer 1

Certain xerophytes have a waxy covering over their stomata, thus curbing water loss. Others contain very few stomata, or stomata that only open at night when it's cooler.

Answer 2

–Same have succulent sterm for storage of water.
–Same have needle like leaves to reduce there surface area exposed to transpiration.
–Same are deep rooted to acquire more water.
–same shade their leaves during dry season to minimize traspiration.