Which Statement About Sleep Is True

question 42

Multiple Choice

Which statement about sleep is true?

• A) Human sleep patterns have changed very little over time.
• B) Sleep theories tend to emphasize evolution.
• C) Humans spend over 50% of their lives sleeping.
• D) Researchers generally agree energy conservation is the reason humans sleep.

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Definitions:

Bipedalism

The ability to walk on two legs, a key characteristic distinguishing humans and their ancestors from other primates.

Brain-to-Body-Mass Ratio

A measure comparing the weight of an animal's brain to its body weight, often used to make inferences about the potential for intelligence and complex behaviors.

Evolutionary Processes

The natural mechanisms through which species undergo change over time, involving variations in traits that are heritable and can influence reproductive success.

Female Preference

The tendency or inclination for females within a species to select certain traits or behaviors in mates.