What Was the Primary Benefit of the Bipedal Locomotion Adaptation

question 169

Multiple Choice

What was the primary benefit of the bipedal locomotion adaptation? It _______.

• A)allowed our ancestors to bend down and hide
• B)freed the hands so that they could be used for other things such as using tools and hunting
• C)fostered brain development because the brain areas responsible for walking on all four legs were no longer needed
• D)fostered social organization because walking upright allowed our ancestors to look at each other directly

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Definitions:

Efficiency

The optimal allocation of resources to maximize desired outputs without wasting any input.

Producer Surplus

The difference between the amount a producer is willing to accept for a good or service and the actual price they receive.

Monopolist

An entity or individual that holds a monopoly, having exclusive control over the supply of a particular good or service in the market.

Marginal Cost

The uplift in collective cost emerging from the making of an additional unit of a good or service.