Biome is a set of different ecosystems, which have a certain degree of homogeneity. Are biological communities, or populations of organisms of fauna and flora interacting with each other and interacting with the physical environment called biotope.
The term "biome" (bios, life, and oma, body or group) was first used in 1943 by Frederic Edward Clements defining it as a biological unit or geographical area whose specific characteristics are defined by macroclimate, vegetation type, the soil and altitude. May in some cases be characterized according to whether or not a natural fire. Over the years, the definition of what is a biome began to vary from author to author