Grasslands are vast, open ecosystems dominated by grasses, with few trees or large shrubs. They are characterized by moderate rainfall, usually between 10 to 30 inches (25 to 76 centimeters) annually, which supports the growth of grasses rather than forests. Grasslands can be found on every continent except Antarctica and are typically categorized into two main types: temperate grasslands and tropical grasslands (also known as savannas).
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