Structures as Different as Human Arms, Bat Wings, and Dolphin

question 36

Multiple Choice

Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones, which develop from similar embryonic tissues. These structural similarities are an example of ________.

• A) homology
• B) convergent evolution
• C) the evolution of common structure as a result of common function
• D) the evolution of similar appearance as a result of common function

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Definitions:

Doubling

In psychology or neuroscience, does not denote a specific universally recognized term but could imply processes where entities increase in number, frequency, or intensity.

Depersonalization

A condition where one feels detached from one's thoughts, feelings, and body, often described as feeling like an outside observer of oneself.

Sympathetic Nervous System

Part of the autonomic nervous system responsible for the body's 'fight or flight' response to stressful situations.

Parasympathetic Nervous System

A branch of the autonomic nervous system responsible for conserving energy by slowing down the heart rate and increasing intestinal and gland activity.