Is the Human Integumentary System Best Adapted for Hot or Cold

question 63

Multiple Choice

Is the human integumentary system best adapted for hot or cold climates?

• A) cold, because we have many skin features that keep us from overheating
• B) cold, because we have a thick hypodermis
• C) warm, because sweating cools us in hot climates but we would die in cold climates without clothing
• D) warm, because sebaceous glands aid us in hot climates but evaporative cooling would kill us in cold climates

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Definitions:

MRC

Marginal Resource Cost, the cost of utilizing one additional unit of a resource or factor of production.

MRP

Marginal Revenue Product; the additional revenue generated from employing one more unit of a resource, commonly applied in economics.

Marginal Product

The additional output resulting from the use of one more unit of a production input, holding other inputs constant.

Variable Input

A variable input is one whose amount can be adjusted in the short term to either raise or lower output levels.