noun, Pathology. 1. the accumulation of excessive ketones in the body, as in diabetic acidosis. Origin of ketosis. 1915-1920.
Climate zones of Africa, showing the ecological break between the hot desert climate of the Sahara Desert (red), the hot semi-arid climate of the Sahel (orange) and the tropical climate of Central and Western Africa (blue).
The Sahara Desert hosts an incredible array of species that are well-adapted to survive in the desert climate. 70 mammalian species, 90 avian species, 100 species of reptiles, and several species of spiders, scorpions, and other smaller forms of life, call the Sahara Desert their home.