When the Endangered Species Act Was Established in 1973,the List

question 20

Multiple Choice

When the Endangered Species Act was established in 1973,the list included 92 U.S.species.In 2010,that number had risen to ____.

• A) 356
• B) 507
• C) 770
• D) 1,000
• E) 1,394

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Definitions:

Higher-Order Conditioning

A procedure in which the conditioned stimulus in one conditioning experience is paired with a new neutral stimulus, creating a second (often weaker) conditioned stimulus. For example, an animal that has learned that a tone predicts food might then learn that a light predicts the tone and begin responding to the light alone. (Also called second-order conditioning.)

Mixed Emotional Reactions

Experiencing multiple emotions at the same time, which might be conflicting or complementary.

Psychotherapist

A trained professional who treats mental health issues and emotional difficulties through psychological techniques and therapies.

Generalization

In psychology, the process of responding similarly to stimuli that are similar but not identical to the original conditioned stimulus.