What Are Psychoactive Drugs

question 209

Multiple Choice

What are psychoactive drugs

• A) drugs that act primarily on serotonin receptors 
• B) illicit or illegal drugs that alter emotional or psychological states 
• C) drugs that alter emotional state, behavioural functioning, and mental condition 
• D) prescription medications that are used for the treatment of mental disorders, including sleep disorders

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Definitions:

Allopatric Speciation

Speciation that occurs when one population becomes geographically separated from the rest of the species and subsequently evolves. Compare with sympatric speciation.

Geographic Isolation

A form of evolutionary separation where populations of the same species become physically divided by geographical barriers leading to genetic divergence.

Adaptive Radiation

The evolution of a large number of related species from an unspecialized ancestral organism.

Kaibab Squirrels

A species of squirrel that is native to the North Rim of the Grand Canyon in the United States, known for its distinctive tufted ears.