Olds and Milner Found That a Rat Kept Returning to a Location

question 34

Multiple Choice

Olds and Milner found that a rat kept returning to a location where it had been stimulated by an electrode placed within its

• A) reticular formation.
• B) cerebellum.
• C) hypothalamus.
• D) pons.

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Definitions:

Dominant Male

The member of a male-dominated society or group who has the highest rank, strength, or power.

Fertile Females

Female individuals of reproductive age who are capable of conceiving and bearing offspring.

Sexual Dimorphism

A trait that differs between males and females of a species.

Lek

Of some birds, a communal mating display area for males.