Continental Drift

question 63

Multiple Choice

Continental drift

• A)had no real impact on the evolutionary history of vertebrates.
• B)never occurred.
• C)is the movement of the continents on the Earth's surface.
• D)ceased to occur several million years ago.
• E)occurs only in the Old World.

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Definitions:

Tricyclics

A class of antidepressant medications used to treat depression and other conditions by affecting neurotransmitters in the brain.

Benzodiazepines

A class of psychoactive drugs known to act on the central nervous system, often prescribed for anxiety, seizures, and insomnia.

Tranquilizers

Depressant drugs, such as Valium and Xanax, that reduce anxiety and induce relaxation.

Antianxiety

Pertaining to or describing any substance or action that reduces anxiety.