Human Beings Have Evolved as Social Animals Who Live in Groups,in

question 54

Multiple Choice

Human beings have evolved as social animals who live in groups,in part because:

• A) members of the same group do not constitute a danger to each other
• B) mating within a group increases the probability of a healthy offspring
• C) groups provide safety from competing groups and predators
• D) members of the same groups provide less competition for mates

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Definitions:

Operating Expenses

Costs associated with the day-to-day operations of a business, excluding costs related to production.

Law of Diminishing Returns

An economic principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase if other variables remain at a constant.

Marginal Product

The additional output that is produced by employing one more unit of a particular input, keeping all other inputs constant.

Variable Resource

An input in production that can be adjusted in the short term to change the level of output.