A Theory

question 51

Multiple Choice

A theory

• A)can only be tested with a controlled experiment.
• B)is designed to explain and predict what we observe.
• C)is used to impose order on the world.
• D)assumes definitions for variables.
• E)enables one to make prophesies about the future.

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Definitions:

Sella Turcica

A saddle-shaped depression in the sphenoid bone at the base of the human skull, holding the pituitary gland.

Cribriform Plate

A sievelike structure within the skull that provides a passageway for olfactory nerves from the nasal cavity to the brain.

Optic Canal

A narrow passageway in the skull through which the optic nerve runs from the eye to the brain.