plain prairie
In order of size: A pile A hill A mountain An island A state/territory A country A continent A moon A planet Some of these can be in different orders. Land is not often used in the context of a moon or planet, but can be.
what are large body of land called
Large masses of land are called continents.
The thick grass is called sod. A farmer that was tilling such soil was called a sodbuster.
A grassland for animals to feed on is called a pasture or grazing land. It provides a natural area where animals can graze on grass and other vegetation.
A large land mass is commonly called a continent.
A desert.
The land is called overgrazed
It was called a Land Grant, or Royal Grant.
It's called a Plain.
Savannah
a tract of land has no specific size, it is just an extended area