Which Is Not One of the Factors That Accounts for the Efficiency

question 65

Multiple Choice

Which is not one of the factors that accounts for the efficiency of gas exchange in fish gills?

• A) Maximized surface area
• B) Minimized path length for diffusion
• C) Countercurrent flow of blood and water over opposite sides of the gas exchange surfaces
• D) Great numbers of secondary lamellae
• E) One-way flow of water coming in through the gills and exiting through the mouth

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Definitions:

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods, holding the consumer's utility level constant.

Income Effect

The alteration in the income of a person or the economy, and its effect on the amount of a product or service that is requested.

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods, causing consumers to substitute away from more expensive goods towards cheaper ones.

Income Effect

The effect of income changes on the amount of a good or service that is demanded by a person or within an economy.