Of the Annelid Classes Below, Which Have Externally Segmented Bodies

question 34

Multiple Choice

Of the annelid classes below, which have externally segmented bodies?

• A)Oligochaeta
• B)Polychaeta
• C)Hirudinea (leeches)
• D)all three of these
• E)two of these

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Definitions:

Muscular

Relating to or affecting the muscles of the body.

Sternocleidomastoid

A major muscle in the neck that runs from the sternum and clavicle to the mastoid process of the temporal bone and is involved in head rotation and flexion.

Trapezius

The large muscle of the back and neck.

Pectoralis Major

A thick, fan-shaped muscle situated at the chest of the human body which aids in the movement of the shoulder joint.