Grassland is a biome, an area of land which is mostly grasses, Also, there may be some trees and rivers. The herbivore animals are adapted to a diet mainly of grass.
Several parts of the world have grasslands: Asia, Africa, North America,[1] South America, and near the coasts of Australia.[2] The largest grasslands are in East Africa. Grasslands with a few scattered trees are called savannas. Others are called prairies or steppes.