How does a cactus breathe in desert?

A cactus breathes through its stomata. These are little holes on the flesh or skin of the cactus.

the spikey things and there used for poking stuffAnswerThe main parts are roots to anchor the plant and draw up moisture. The barrell,or trunk,and branches which store the moisture and keep the plant...

v They are covered in a waxy substance that helps them keep water under the 'skin' of the plant. v Theirs 'leaves' are in the shape of needles which helps them retain water as it has less surface...

It isn't. Cacti can be grown in many climates, but most simply prefer the arid desert climes. They don't exist in other climates because other plants that are more suited to those climates choke them...

The desert has the kind of cactus that survives in conditions of high heat and light, and low moisture. A desert cactus is used to weak competition from other vegetation in the environment. It isn't...