Which Mechanism Is Used to Encourage the Movement of Water

question 28

Multiple Choice

Which mechanism is used to encourage the movement of water over gills?

• A) beating of cilia
• B) contraction of the diaphragm
• C) relaxation of a muscular mantle
• D) a fish swimming with its mouth closed
• E) relaxation of body muscles

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Definitions:

Consumer Surplus

The discrepancy between what consumers are prepared and capable of spending on a product or service and what they actually end up spending.

Total Consumer Surplus

Total consumer surplus is the difference between what consumers are willing to pay for a good or service versus what they actually pay, representing the net benefit to consumers.

Consumer Surplus

The difference between the maximum price a consumer is willing to pay and the actual price they pay.

Indifferent Buying

A purchasing decision where the consumer has no preference among the options available due to perceived equality.