Humans are able to alter their environment to make life in the heat of a desert bearable. Such items as air conditioning or even electric fans can make life in the desert more comfortable as well as constructing homes that are well insulated to hold in cooler air and keep out the heat.
camels are found in the desert and have adaptations to survive droughts.
The cactus has a number of structural adaptations that allow it to live in the harsh conditions of the desert. Many other plants lack these adaptations and cannot survive in a desert.
There are no deserts where man could not survive if he has the needed supplies and shelter. There are even scientists living in the most inhospitable desert of all - Antarctica.
Millions of people around the world survive everyday in the deserts. Look at cities such as Cairo in Egypt or Las Vegas, Phoenix and Tucson in the United States as examples. These are cities located in deserts and people survive quite well. There are many more examples.
There are a number of species of rat that live in deserts around the world. It would be a big help if you named a particular species.
by adapting these adaptations, their ability to survive increases
There are many species of snakes, lizards, turtles and tortoises that inhabit the deserts around the world. All have developed specific adaptations to survive in an arid climate.
hiding in rocks
Yes, bears do live and survive in deserts but generally prefer the mountain regions of deserts.
No, but they do survive in waters of the coast of deserts.
stuff
animals go through adaptations to survive in the habitat