Why Might Native Americans Be a General Exception to the Rule

question 54

Multiple Choice

Why might Native Americans be a general exception to the rule that darker skin is associated with environments with high UV radiation?

• A) They are relatively recent migrants to the New World.
• B) Native Americans have a unique genetic mutation that makes their skin darker than expected.
• C) Dark skin among Native Americans is an acclimatization, and not due to genetics.
• D) Dark skin among Native Americans is a culturally induced trait.

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Definitions:

Desirable Behavior

Actions or conduct that are viewed positively and encouraged within a particular social or organizational culture.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Learning Through Association

The process of acquiring knowledge or behavior by linking two concepts or experiences together.

Positive Reinforcers

Stimuli that, when presented after a behavior, increase the likelihood of that behavior occurring in the future.