Which Two Characteristics Separate Primates from Other Mammals

question 5

Multiple Choice

Which two characteristics separate primates from other mammals?

• A) Hair
• B) Mammary glands
• C) Opposable thumbs
• D) Larger brain

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Definitions:

Learned Response

A behavior that has been acquired or modified as a result of experience or conditioning.

Extinction

In psychology, the gradual weakening and disappearance of a conditioned response tendency; in biology, the dying out of a species.

Commission

An instruction, command, or duty given to a person or group of people.

Fixed-ratio Schedule

This is a schedule of reinforcement where a response is rewarded only after a specified number of responses.