To keep it warm at night because its COLD in the desert!.
uadsa
uadsa
Because the thick waxy bark prevents the loss of moisture so it stops the plant dying of thirst
Thick
A seals outer covering is thick skin.
structural adaptations
A cactus' waxy skin helps it retain moisture in desert climates.
The stem which is the thick part of the cactus plant stores food.:)
a cactus http://www.roythehandyman.co.uk
I think polar bears body covering is fur. ????????????????I think polar bears body covering is fur. ????????????????
false
Cactus stems are very thick because they store water.