Tundra

: This frozen layer prevents deep root systems and restricts drainage, often creating bogs, marshes, and shallow lakes during the summer thaw.

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 Tundra

To help you get started on a comprehensive paper about the tundra , I've outlined the core characteristics, ecological dynamics, and current environmental challenges facing this unique biome. Introduction to the Tundra Biome : This frozen layer prevents deep root systems