A large ecosystem on the land having distinct type of vegetation and animal life is called biome. In general, biomes are divided into the following categories:
1. Forests: It consists of evergreen forests, deciduous forests, and coniferous forests.
2. Grasslands: Savana grasslands.
3. Alpine/Tundra vegetation.
4. Desert vegetation.
Though the animals are also included in the biomes but they are not counted in the classification of biomes.