One Aspect of Darwin's Theory of Natural Selection Is That

question 16

Multiple Choice

One aspect of Darwin's theory of natural selection is that adaptations not useful to fitness are lost faster if they have a greater cost.With this in mind,which of the following explanation is most likely true?

• A)Our little toe is not going away in the near future.
• B)The human appendix must currently serve an essential function or it would not be in our bodies.
• C)It is a mystery why we do not have tails.
• D)Humans are relatively hairless because we look better without hair.

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Definitions:

Projective Tests

Psychological assessments where subjects respond to ambiguous stimuli, revealing hidden emotions and internal conflicts.

Low Validity

Refers to the extent to which a test or instrument fails to accurately measure what it is intended to measure.

Hippocampal Volume

The size of the hippocampus, a brain structure important for memory and spatial navigation, which can be indicative of cognitive health or decline.

Posttraumatic Stress Disorder

A psychiatric disorder that can occur in people who have experienced or witnessed a traumatic event, characterized by flashbacks, nightmares, and severe anxiety.