Write short note on tundra regions (little)

Tundra is the global bio me that consists of the treeless regions in the north and high mountains.

Tundra is the global biome that consists of the treeless regions in the north (Arctic tundra) and high mountains (alpine tundra). The vegetation of tundra is low growing, and consists mainly of sedges, grasses, dwarf shrubs, wildflowers, mosses, and lichens.