1What would happen if the frozen Arctic completely melted? Certain plants and animals rely on the dry and cold tundra environments. The tundra biome includes both the flat regions of the Arctic and the alpine heights of the mountains. This biome holds a source of food and a climate suitable for the plants and animals that live there. Learn about the geography and resources of the tundra biome as well as how animals and people have adapted to and impacted tundra environments. Explore this biome's future and what people can do to help keep it safe.