What is it?

It is a large area characterized by its vegetation, soil, climate, and wildlife. ... Marine biomes include the ocean, coral reefs, and estuaries.

For most of the year, the tundra biome is a cold, frozen landscape. This biome has a short growing season, followed by harsh conditions that the plants and animals in the region need special adaptations to survive. Tundra form in two distinct cold and dry regions.