Tundra : A vast, flat, treeless Arctic region of Europe, Asia and North America in which the sub soil is permanently frozen.
Taiga : Taiga is the largest terrestrail biome on earth: It extends in a broad band across Europe, North America and Asia to the Southern border of the arctic tundra. Steppes : A large area of flat unforested grassland in South¬East Europe or Siberia.
