From medial to lateral the erector spinae muscles are the __________.

The primary movers in cervical spine extension (against resistance) are the

Two different muscles may contract simultaneously at a joint and cause a motion that neither would cause if contracting alone.

The gastropod larval stage in which torsion occurs is called the ________.

The most complex molluscs belong to the class ________.

Snails, slugs, and limpets belong to Class ________.

Born criminals are:

The Boundless (Anaximander)

The larval stage of flukes that infect snails is called ________.

Deterrence theory is based on ideas from the _ school of thought.