In the Studies by Hacker and Gaines in a New

question 47

Multiple Choice

In the studies by Hacker and Gaines in a New England salt marsh, the presence of Juncus was shown to _______ species diversity, especially in the _______ intertidal zone.

• A) increase; high
• B) increase; middle
• C) decrease; high
• D) decrease; middle

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Definitions:

Output

The total amount of goods or services produced by a firm or economy over a specific period of time.

Derived Demand

The demand for a factor of production or intermediate good resulting from the demand for another good or service, such as the demand for steel being driven by the demand for automobiles.

U.S. Treasury Bonds

Long-term government debt securities issued by the U.S. Department of the Treasury, offering a fixed interest rate and guaranteed by the full faith and credit of the U.S. government.

Dog Groomer

A professional who provides cleaning and hygiene services for dogs, such as bathing, hair trimming, and nail clipping.