They also go from central Texas to southern Saskatchewan. There are three main types of grasses growing on the prairie. They are tall grass, mixed grass, and short grass. Back when Indians owned the prairie they would burn it. That enriched the soil and kept trees and thick shrubbery out.
Prairie plants have dense roots that help hold the soil together and collect moisture.
There are lots of different types of animals living on the prairie. Right now I'm going to tell you about the Bison. The first bison came to North America millions of years ago from Asia. Four hundred years ago sixty million bison lived in North America. Thousands of years ago human artists made drawings of artists on cave walls.