The valves of bivalves are closed by the action of:
A) siphons.
B) adductor muscles.
C) longitudinal muscles.
D) myomeres.
E) mantle contractions.

Name: The valves of bivalves are closed by the action of: A) siphons. B) adductor muscles. C) longitudinal muscles. D) myomeres. E) mantle contractions.
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Question

Quizplus · Accepted Answer

The valves of bivalves are closed by the action of adductor muscles. These are powerful muscles located on opposite sides of the shell that contract to close the valves tightly together.

The Valves of Bivalves Are Closed by the Action Of