Animals who live in the desert are adapted to live there. Take camels for example, they have a large surface area to mass ratio, so they can easily lose heat, the majority of their body fat is stored in just one place - the hump so the rest of the body is not insulated. Also their gaits are very economical on the bodies resources, so they can travel long distances without having to eat/drink.
Some animals adapt to a certain environment and it becomes their habitat
they find stored water in plants, also they are made for extreme climates and most of them areconavores
Desert Animals.
Fleas do not live in the desert per se. They live on animals as parasites and many times those animals are in the desert.
There are currently 4 animals that live in Siwa: The Desert Fox, the Desert Dear, the Desert Rat, and the Desert Bird You will be lucky to see such as these animals with your eyes, as these animals are so extinct
suck balls.... nah just kidding . desert animals are animals that live in the desert
Desert animals either feed on plants or they feed on other animals.
Antarctica is the biggest desert and the only animals that live there are penguins and seals and sea lions. Most of these live along the coast and not in the interior of the desert.
An ecosystem is a place where plants and animals ( maybe humans ) live and animals and plants live in the desert so … 
They are just adapted to live in the desert.
falcons , camel and sheep live in the hot desert...
Yes
Camels
the animals which live there.