North America Is Currently Experiencing an Unprecedented and Rapid Loss

question 22

Multiple Choice

North America is currently experiencing an unprecedented and rapid loss of species. What is believed to be the main trigger of such events, either directly or indirectly?

• A) continental drift
• B) increased human population
• C) climate change
• D) increased predation by wild carnivores

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Definitions:

Panic Disorder

An anxiety disorder characterized by recurring severe panic attacks and the fear of a panic attack occurring.

Obsessive-Compulsive Disorder

A mental disorder characterized by recurrent, unwanted thoughts (obsessions) and repetitive behaviors (compulsions).

Obsessive-Compulsive Disorder

A mental disorder characterized by intrusive thoughts that produce uneasiness (obsessions) and repetitive behaviors aimed at reducing these feelings (compulsions).

Avoidance Learning

A process in learning whereby an organism learns to prevent or avoid an unpleasant or harmful stimulus by making a particular response.