Fossils Are Considered to Belong to the Genus Homo If

question 19

Multiple Choice

Fossils are considered to belong to the genus Homo if which of the following is true?

• A)The brain size is 600 cc or larger.
• B)The jaw and teeth are human like.
• C)Tool use is evident.
• D)All of the choices are characteristics of this group

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Definitions:

Dorsal Respiratory Group

A cluster of neurons located in the medulla oblongata that controls the basic rhythm of respiration through the regulation of inspiratory depth and rate.

Phrenic Nerve

Nerve derived from spinal nerves C3–C5; supplies the diaphragm.

Glossopharyngeal Nerve

A cranial nerve that is responsible for taste and other functions of the throat.

Hypoventilates

A condition where ventilation is inadequate to perform needed gas exchange, often resulting in increased blood CO2 levels.