Yes, you do have to water it. About once every few weeks.
Cacti and succulents store water in special cells in the plants' body for later use. The skin of the cacti has a waxy coating to prevent water loss.
no, it is not true. Cacti are full of water.
Cacti have hairs to not remove too much water .
It can live because the cacti can soak up water
Cacti get water from rainwater that is stored in the special roots of the cacti
cacti (cactus) grow in desers where there is not a lot of water but they still survive.
To discourage animals from eating them.
Cacti can live in the tropics, but they will probably die from too much water. Cacti retain water so if there is too much water, they basically drown. Tropics tend to have clay soil, and cacti need sand because of the way their roots grow and how the sand in the deserts retain the water, and clay might affect the cacti.
Yes
cacti have long roots to soak up all the rain water
they conserve their water
There are cacti and water and desert.