Cheatgrass Has Been Able to Invade Dry,temperate Grasslands and the Arid,shrub-Dominated

question 20

Multiple Choice

Cheatgrass has been able to invade dry,temperate grasslands and the arid,shrub-dominated habitats (sage-steppe) of North America.Which of the following is not a reason for this?

• A)Cheatgrass is an annual,so there are seeds in the ground ready to grow any year.
• B)Cheatgrass is somewhat fire tolerant.
• C)Cheatgrass promotes fire frequency and increases fire intensity.
• D)Cheatgrass competes successfully with bunchgrasses for water and nutrients.
• E)All of the above are valid reasons.

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A community or population made up of people who share a common cultural background, heritage, language, or religion, which differentiates them from other groups.

Amish

A group of traditionalist Christian church fellowships known for simple living, plain dress, and reluctance to adopt many conveniences of modern technology.