On the Back of Your Skull You Can Feel a Small

question 69

Multiple Choice

On the back of your skull you can feel a small bump, below which is an opening where the spinal cord enters the skull. The location of this opening toward the bottom of the skull is significant in evolutionary biology for what reason?

• A) It allowed for the hominin brain to grow much larger than other primates.
• B) It provided greater protection for the spinal cord.
• C) It occurred as a result of the change to a bipedal stance.
• D) This change was necessary for the increase in size from prosimian forms to anthropoid forms.

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Definitions:

Unit Cost Data

Information related to the cost required to produce one unit of a product or service, including materials, labor, and overhead expenses.

Single-Price Monopoly

A monopolistic market structure where the monopolist charges the same price for every unit of the product sold to every consumer.

Economically Inefficient

A situation where resources are not used in the most productive way, leading to wasted potential output or outcomes.