A biosphere is divided into several natural ecosystems on the basis of life forms of world vegetation. Though the biome include both plant and animal species but green plants are more than that of the animals.
Biomes are further sub divided into sub-types on the basis of vegetation:
| Tropical Biome | Tropical forest biome Evergreen and Semi-evergreen biome Deciduous and semi deciduous biome Montane forest Biome Swamp forest Biome Savanna Biome Desert Biome Arid Biome Semi-Arid Biome |
| Temperate Biome | Boreal forest Biome (Taiga Biome) Temperate Deciduous Biome Temperate Grassland Biome The Mediterranean Biome |
| Tundra Biome | Arctic Tundra Biome Alpine Tundra Biome |
