If Zero Economic Profit Is Being Earned in a Competitive

question 26

Multiple Choice

If zero economic profit is being earned in a competitive industry,

• A)firms leave the industry.
• B)firms permanently shut down.
• C)firms enter the industry.
• D)no firms enter or leave the industry.
• E)firms temporarily shut down.

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Definitions:

Reproductive Organs

Organs involved in the production of gametes (sperm and eggs) and in supporting the processes of fertilization, pregnancy, and childbirth.

Homeostasis

The ability of a living organism to maintain stable internal conditions despite changes in the external environment.

Circulatory System

The body's system responsible for the transport of blood, nutrients, gases, and wastes throughout the body, involving the heart and blood vessels.

Surface-Area-To-Volume Ratio

Ratio of a cell’s outside area to its internal volume; the relationship limits the maximum size of a cell.