What Process Refers to Dramatic Phenotypic Changes That Sometimes Occur

question 15

Multiple Choice

What process refers to dramatic phenotypic changes that sometimes occur in evolution, such as the appearance of feathered wings during the evolution of birds?

• A) paedomorphosis
• B) gradualism
• C) macroevolution
• D) allopolyploidy
• E) microevolution

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Definitions:

Tranquilizers

Medications used to reduce tension or anxiety, often by depressing the central nervous system.

Placebos

Inactive substances or treatments used as a control in experiments, often to test the effectiveness of medical drugs.

GABA

Gamma-aminobutyric acid, an inhibitory neurotransmitter in the brain that helps reduce neuronal excitability throughout the nervous system.

Alcohol

A psychoactive substance found in drinks such as beer, wine, and spirits, capable of altering mood, behavior, and cognitive functioning.