The Eastern part of the country is occupied the Appalachian Mountains, which is in the North come close to the Atlantic coast and in the South are separated from it by the Atlantic lowland.
West to the Appalachians stretch to the Central plains in the West and the Mexican Lowland in the South. This region is situated in the central part of the USA and considered to be the heart of the USA having good soil.
In the Great Basin there are desserts and semi desserts. The vegetation in the Cordilleras is represented by coniferous forests and at the height meters are alpine meadows. In the North-West Coast there are forests of huge sequoia. The mixed forest zone is the home of the brown bear, lynx, glutton, marten. In the forests of the Appalachians various Virginia deer, chipmunk, mole, bats. The South-East is represented by alligator, turtle, opossum, coyote and many kinds of gopher and badgers. The semi dessert zones are inhabited by different rodents and reptiles. In the Cordillera region there is Rocky Mountain goat, Rocky Mountain Sheep, grizzly bear and further south jaguar and armadillo.