One of the Criteria Used by the U

question 33

True/False

One of the criteria used by the U.S. geological Survey and the Defenders of Wildlife in ranking endangered ecosystems in the United States is the number of present examples of a particular ecosystem or the total area.

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Definitions:

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without any learning needed.

Conditioned Response

A learned reaction or behavior to a previously neutral stimulus that has become associated with a significant stimulus.

Novel Stimulus

A new or unfamiliar stimulus that has not been previously experienced by an organism, often used in experimental research to gauge response or attention.

Stimulant

A substance that increases physiological or nervous activity in the body.