1. The following questions are about cacti, these plants have adapted to live in deserts.
a) In which of the two following ways are the cacti adapted to living in deserts. Choose two from below and explain your choices:
Flat leaves : NOT AN ADAPTATION
Fleshy stem : HOLDS THE MOISTURE BETTER
Many stomata : NOT AN ADAPTATION
Thick waxy cuticles ; STOPS THE PLANT FROM DRYING OUT
b) i) Name the process by which water is lost from plants.
ii) Stomata are small holes in the leaves and the stems of the cacti that can open and close. With cacti these holes only open at night. Suggest why?
TO PREVENT EVAPORATION