Arctic tundra is found in the northernmost regions of the world, including northern Canada, Alaska, Russia, and Scandinavia. It is characterized by low temperatures, permafrost, and a lack of trees. The vegetation is typically composed of mosses, lichens, grasses, and shrubs. Arctic tundra is home to a variety of animals, including caribou, muskoxen, polar bears, and arctic foxes.
Alpine tundra is found in mountainous regions at high altitudes. It is characterized by similar conditions to Arctic tundra, including low temperatures, permafrost, and a lack of trees. The vegetation is typically composed of mosses, lichens, grasses, and shrubs. Alpine tundra is home to a variety of animals, including mountain goats, bighorn sheep, marmots, and pikas.