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Transcript of Grassland
Precipitation: 25cm-100cm annually
High Summer: 30°C
Low Winter: -10°C
Precipitation: 50cm-130cm annually
Daily Temperatures: 20°C-30°C
Andrea, Chelsea, Nikki and Talia
Because of the circumstances, certain varieties of grass have evolved to withstand their environment by developing root systems capable of gathering water when it is present.
There are two types of grasslands; Temperate and Tropical.
The few trees that dot the landscape in the grasslands are also adapted to this unique environment, such as the Acacia tree(pictured) that have thorns to discourage animals from eating them.
Other creatures have adapted to their environment in other ways; becoming more active at night and hunting down small rodents or larger prey such as antelope or buffalo.
Animals such as bison have developed broad flat teeth to grind down the grass they graze on. These mammals travel in herds and their stomach has adapted to digest their diet.
Many animals of the grassland also blend in with the plant life around them, their pelts consisting of a variety of brown, grey and gold colors.
Tropical: Less rich soil (due to loss of nutrients because of occasional heavy rain). Grass fires are more common here.
Animals have adapted to this environment in a variety of ways; such as small rodents or mammals who burrow underground for temporary safety from airborne predators.
Both: Mainly flatland, with strong winds that erode the soil.
Precipitation occurs in late spring to early summer, followed by an extended dry period.
Temperate: Rich, fertile soil(created by growth and decay of deep grass roots). Grass fires are common, but less common than in the tropical grasslands.
The grasslands are very grassy with few trees due to droughts, wildfires and other natural disasters.
Temperate grasslands are located above the 23.5° North latitude, and below the 23.5° South latitude. Temperate grasslands include the Canadian and North American prairies as well as the steppes in Russia.
Tropical grasslands are located 5° to 20° South or North of the equator in North Australia, South America and Africa. Grasslands here are known as savannahs or grasslands.
Other species of grass have sharp edges or taste bitter, a method adapted to defend themselves against grazing herds of animals.