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In Order to Construct an Evolutionary Classification of Modern-Day Aquatic

question 7

Multiple Choice

In order to construct an evolutionary classification of modern-day aquatic vertebrates, what is the best source of information?


Definitions:

Sympathetic Nervous System

A part of the autonomic nervous system that activates what is often termed the fight or flight response.

Somatic Nervous System

The part of the peripheral nervous system responsible for voluntary muscle movement and the reception of external stimuli.

Peripheral Nervous System

The segment of the nervous system comprising the nerves and ganglia that are not part of the brain and spinal cord.

Parasympathetic

Relating to the part of the autonomic nervous system that conserves energy by slowing the heart rate and increasing intestinal and gland activity.

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