In Some Parts of the Midwest, Prairie Restoration Programs Have

In some parts of the Midwest, prairie restoration programs have required replacement of introduced agricultural grasses, such as bluegrasses, with the native prairie grasses that once thrived there.Prairie restoration proved difficult until scientists discovered that native prairie grasses were adapted to survive periodic wildfires, while introduced grasses were not.They changed their method to include prescribed burns.In this case, the restoration ecology project benefited from the use of which ecological concept?

A) Use of periodic disturbances to stimulate plant growth
B) Restoring biodiversity by reintroducing native animals
C) Use of ecosystem engineers to restore habitat
D) Use of vegetation to prevent erosion
E) Use of introduced species to improve habitat

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