Animals That Effectively Use Their Body Surface for Gas Exchange

question 8

Multiple Choice

Animals that effectively use their body surface for gas exchange must

• A)have a low ratio of body surface area to volume.
• B)have a high ratio of body surface area to volume.
• C)have a special kind of hemoglobin.
• D)be terrestrial.

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Definitions:

Health Insurance

A form of insurance coverage that pays for an individual's medical and surgical expenses.

Defensive Medicine

Medical practices conducted by a physician to avoid malpractice litigation rather than to benefit the patient's health.

Tax Subsidies

Financial assistance from the government to reduce the cost of specific business activities or investments, often to promote certain policies or industries.

Marginal Cost

Represents the cost of producing one additional unit of a good or service, and varies depending on the level of production.