If a Flatworm Is Positioned Relative to a Stationary Light

question 105

Multiple Choice

If a flatworm is positioned relative to a stationary light source such that more light-sensitive cells are stimulated in its right than in its left eye cup, the planarian will

• A) turn to the left.
• B) turn to the right.
• C) make a complete clockwise circle.
• D) make a complete counterclockwise circle.
• E) stop moving.

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Definitions:

Nativism

The theory that certain skills or abilities are "native" or hard-wired into the brain at birth.

Empiricism

A philosophical stance positing that knowledge comes primarily from sensory experience.

Structuralism

An early school of psychology that aimed to understand the structure of the mind by analyzing the basic components of thoughts and sensations.

Empiricists

Philosophers who emphasize that knowledge comes primarily from sensory experience.