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