The Figure Provided Shows a Food Web

question 49

Multiple Choice

The figure provided shows a food web.Which of the following statements is true?

• A) Ten percent of the carbon dioxide fixed by grazers is used by decomposers.
• B) Ten percent of the carbon dioxide fixed by primary producers is used by predators.
• C) Ninety-nine percent of the carbon dioxide fixed by primary producers is lost by the second trophic level.
• D) Grazers consume ten percent of the decomposers.

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Definitions:

Output

The total amount of goods or services produced by a firm, industry, or economy in a given period.

Marginal Wage Cost

The additional cost incurred by hiring an extra unit of labor, essentially the change in total wage cost from hiring one more employee.

Monopsonistic Labor Market

A market situation in which there is only one buyer (employer) for many sellers (workers), allowing the buyer to exert considerable control over wages and employment conditions.

MRP

Marginal Revenue Product; the additional revenue generated by employing one more unit of a factor, such as labor or capital.