The Primary Value of Two Ears Is That

question 83

Multiple Choice

The primary value of two ears is that:

• A) we can hear twice as much as with one ear.
• B) two ears are more visually pleasing to others.
• C) two ears serve a function in locating the origin of sounds.
• D) there is no value-we would function just as well with one ear.

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Definitions:

Red Blood Cells

Cells in the blood that carry oxygen to body tissues and organs through the protein hemoglobin.

Dominant-Recessive

Describes the relationship between two alleles of a gene, where the dominant allele's traits are expressed in the phenotype over the recessive allele's traits, which are masked when paired with a dominant allele.

Color Blindness

A condition characterized by the inability to see colors in a normal way, resulting from deficiencies in the color-sensing pigments in the eye.

Prader-Willi Syndrome

A rare genetic disorder that results in a number of physical, mental, and behavioral problems, including a constant sense of hunger.