The central United States is in a zone of Temperate Grassland, defined by cold winters, hot summers, and is a region where the plants compete for the limited precipitation. How might a warmer, drier climate affect this ecosystem?
A.
Groundwater levels would rise to support grasses and shrubs.
B.
Trees and shrubs would expand their reach into the warmer regions.
C.
The grasses would die out and would be replaced by temperate forests.
D.
The grasses would die out and the land would turn to desert.