Tundra
There are three primary types of tundra, each defined by its geography and climate:
: Found at high elevations on mountains worldwide, above the tree line where overnight temperatures fall below freezing. Tundra
The tundra is the coldest of all Earth's biomes, covering approximately 20% of the planet's surface. Derived from the Finnish word tunturia , meaning "treeless plain," it is characterized by extremely low temperatures, minimal precipitation, and a permanently frozen subsoil known as . Key Regional Classifications There are three primary types of tundra, each