Birds and Mammals Are Endotherms,meaning They Spend Enormous Amounts of Energy

question 2

Multiple Choice

Birds and mammals are endotherms,meaning they spend enormous amounts of energy maintaining a constant body temperature.To meet these energy needs,birds and mammals independently evolved four-chambered hearts,completing the separation of oxygen-rich from oxygen-depleted blood.How would this maximize the amount of oxygen reaching tissues?

• A) Diffusion of oxygen from oxygenated blood into tissues would be increased.
• B) Diffusion of oxygen from oxygenated blood into tissues would be decreased.
• C) Less energy would be required to pump oxygen into the blood.
• D) Less energy would be required to pump oxygen into the tissues.
• E) Less energy would be required to pump oxygen into the lungs.

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Definitions:

Price Floor

The minimum legal price set by the government that a product can be sold for.

Minimum Wages

The lowest legally permissible amount that workers can be paid for their labor, set by government laws.

Rent Controls

Government-imposed limits on the amount landlords can charge for leasing apartments or houses, aiming to make housing more affordable.

Social Loss

The total reduction in welfare or well-being to society, typically resulting from inefficient market conditions like monopolies or externalities.