The north american regions listed above are all part of which biome? a. forest b. tundra c. marine d. desert (need asap)

answer: option d.

explanation:

within these regions are all the major types of biomes in the world. a biome is a community of animals and plants spreading over an extensive area with a relatively uniform climate. some diverse biomes represented in north america include desert, grassland, tundra, and coral reefs.

doctrine that the us had the right to expand throughout north america.