Background info on prairie grasslands

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  • Background info on prairie grasslands
    • Prairies cover 15% of the continent of North America
    • Accordingly to the amount of rainfall and temperature there are 3 types of grasslands, tall grass prairie in the east, mixed grass prairie in the middle part and short grass prairie in the west.
    • The grasses in the east are switch and big blue stem which grow to 1.5-2m. In the west the short grasses are blue grama and buffalo grass.
    • Originally the prairies were home to large numbers of a few species of large herbivores.
      • Bison and pronghorn antelope lived in herds for protection against there predators wolves and coyotes.
    • Smaller herbivores such as jack rabbits, prairie dogs, meadowlarks and prairie chickens were abundant and became the prey of hawks and egals
  • Originally the prairies were home to large numbers of a few species of large herbivores.
    • Bison and pronghorn antelope lived in herds for protection against there predators wolves and coyotes.

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