Over the Past Century, Sagebrush Has Dramatically Expanded Its Range

question 6

Multiple Choice

Over the past century, sagebrush has dramatically expanded its range over the Colorado Plateau's grasslands. This development has been attributed to the overgrazing of the area's grasses by cattle and sheep. This example indicates that:

• A)grazing has no effect on the distribution of plants.
• B)sagebrush could not exist anywhere in the absence of cattle and sheep.
• C)sagebrush is the dominant competitor over grasses.
• D)the range of sagebrush is normally limited by competition with grasses.
• E)the relationship between sagebrush and grasses is mutualistic.

---

Definitions:

Urban Slaves

Refers to enslaved people who lived and worked in urban settings, often in roles different from their counterparts on plantations, such as artisans or domestic workers.

Civil War

Refers to the American Civil War, fought from 1861 to 1865, primarily over the issues of slavery and states' rights, resulting in the preservation of the Union.

Autonomy

The right or condition of self-government, or the capacity of an individual to make an informed, uncoerced decision.

Free Blacks

African Americans who were not enslaved and lived freely, especially prevalent in the United States before the Civil War.