Question: what are the 3 main biomes of united states?
Answer: Arctic & Alpine Tundra. Coniferous Forest (Taiga) ...  Tundra Biome. Alpine tundra in the Rocky Mountains of Colorado. ...  Coniferous Forest Biome. ...  Prairie Biome. ...  Deciduous Forest Biome. Desert Biome. Tropical Rain Forest Biome. ...  Urban Sprawl.