AP BIOLOGY

Detailed explanation-1: -Grasslands are also home to many different kinds of grass as well as other plants, like flowers, shrubs and even a few trees. It is home to animals that live both above and below ground and come in all different sizes, from as small as a prairie dog to as large as a bison.

Detailed explanation-2: -Arctic-alpine tundra vegetation similar to the Arctic Tundra occurs at elevations above treeline. Many plant species are the same as found in the Arctic, although the mountain flora may be richer in species.

Detailed explanation-3: -Mountains are found throughout the world and do not fit the definition of a biome because their climate characteristics and plant and animal life vary depending on elevation. Polar regions also are not considered true biomes because they are ice masses and not true land areas with soil.