yes they do, but they live near water in a semi-desert
An ecosystem is a place where plants and animals ( maybe humans ) live and animals and plants live in the desert so … 
Mustangs are found in all the major deserts of North America but seem to be most common in the Great Basin Desert.
well yes because plants and animals live there.
Lions primarily live in the savanna or, in some case, in the desert.
The major ecosystem in this desert is "Terrestrial ecosystem" .
Mustangs live in the American West. Of course, specific mustangs may not apply here. This is just the general American mustang.
The fennec foxes live in a desert ecosystem in the Sahara of northern Africa.
Mustangs live in large grassy areas called grasslands.
Captive Mustangs usually live to be 25 years old, while wild Mustangs usually only live to be 20 years old.
a racoon may live in the forest ecosystem or mabey the human ecosystem
No, the desert is an ecosystem or biome.
Yes, there are snakes that live in deserts around the world. These snakes have adapted to the harsh desert environment and play an important role in the ecosystem.