Refer to the Figure Showing the Digestive Systems of Three

question 134

Multiple Choice

Refer to the figure showing the digestive systems of three organisms. Based on the figure, which of these animals has a gut that is best adapted for grinding up the food they ingest prior to chemical digestion, and what is the structure that allows this?

• A) Animal 1, because it has a pharynx
• B) Animal 2, because it has large salivary glands
• C) Animal 3, because it has a cecum
• D) Both animals 1 and 2, because they have crops
• E) Both animals 1 and 2, because they have gizzards

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Definitions:

Efficiency Wages

Wages set above the equilibrium level by employers to increase worker productivity, discourage turnover, and reduce shirking.

Efficiency-Wage Theory

A theory suggesting employers pay above the market equilibrium wage to increase worker productivity.

Economic Theory

The study of how societies use scarce resources to produce valuable commodities and distribute them among different people.

Natural Rate

Refers to the level of unemployment when the labor market is in equilibrium, accounting for frictional and structural unemployment but not cyclical unemployment.