In simple words, Biome is a large naturally occurring community of flora and fauna occupying a Major habitat. eg. Forests or tundra animals and plants. Which are present in a biome, adjust there with many abiotic factors like climate, geology, soils, vegetation and temperature etc. The biome is not an ecosystem. It may be a massive ecosystem. The biome is the largest terrestrial community. Major Biomes of the world are categorised in seven parts.
(1) Tropical rain forest
(4) Temperate Grasslands
(5) Temperate deciduous forests