Population Growth and Cultural Development in West Africa

question 36

Multiple Choice

Population growth and cultural development in West Africa

• A) depended upon ecological conditions and geography.
• B) guarded against foreign invasions and influences.
• C) progressed in regular and set patterns.
• D) required isolation from other cultures.

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Definitions:

Ansa Cervicalis

A looped network of nerves in the neck that supplies motor innervation to some of the muscles of the larynx and the infrahyoid muscles.

Hypoglossal Nerve

The twelfth cranial nerve, responsible for motor control of most of the muscles of the tongue, essential for swallowing and speech.

Sternocleidomastoid

A muscle in the side of the neck that acts to rotate and flex the head, named for its attachments from the sternum and clavicle to the mastoid process of the temporal bone.

Mastoid Process

A bony prominence located behind the ear, part of the temporal bone, which contains air cells that communicate with the middle ear.