~ Prarie- A large open area of Grassland,especially in the Mississipppi River Valley.
~ Steppe- A large area of unforested grassland.
~ Savanna- A grassy plain and subtropical regions with less trees.
~ Taiga- The swampy coniferous forest.
~ Tundra- A vast flat,tree less of Arctic region.
~ Rainforests- A luxuriant,dense forest rich in diversity.