African Infants Have Had a Greater Chance of Survival If

question 32

Multiple Choice

African infants have had a greater chance of survival if they have a living maternal grandmother who is without young children of her own. This fact has been used to support an evolutionary explanation of

• A) conservation.
• B) habituation.
• C) stranger anxiety.
• D) menopause.

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Definitions:

Frequency Theory

Theory on how the inner ear registers the frequency of sound, stating that the perception of a sound’s frequency depends on how often the auditory nerve fires.

Basilar Membrane

A key structure in the cochlea of the inner ear which plays a critical role in the sense of hearing by vibrating in response to sound.

Auditory Nerve

The nerve that transmits auditory information from the inner ear (cochlea) to the brain.

Mechanical Energy

The sum of kinetic and potential energy in physical systems, describing the ability to do work based on movement and position.