Tropical pasture grass family, is found in the soil. The height of the grass often varies according to the type of crop and the abundance often varies according to the type of crop and soil fertility. The climate is dry season long. Average annual rainfall is relatively low, the lack of fertile soil with high salinity or a forest fire, and wind is a major factor in trees and shrubs can grow. Areas with ecosystems including grasslands, savanna (Savanna) in Africa and Australia, etc. animals are found in ecosystems buffalo, zebra, rhino, lion is a wild dog and so on.
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