What are the two main types of the tundra biome and how do they differ from each other?

The tundra are the treeless, coldest biomes. The vegetation here is dominated by the dwarf shrubs, sedge, grasses, mosses, and lichens. There are mainly two type of tundras, which are arctic tundra and the alpine tundra.

The alpine tundra are spread all over the world. They are located on high altitudes and have mountains. the soil is well drained, but the higher altitudes does not support tree growth.

The arctic tundra are present near the north pole, the atmosphere there is very cold. The conditions are almost desert like, but have some dwarf tress along with shrubs and lichens.

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