Which statement about the skeletal system of the clam is true?
A) It is an endoskeleton.
B) It consists of a shell made up primarily of protein and crystals of calcium carbonate.
C) Muscles attached to regions of the endoskeleton cause movement.
D) Muscles are attached to the endoskeleton by tendons.
E) Ligaments are used to attach muscles to the skeleton.

Question

Quizplus · Accepted Answer

The skeletal system of the clam consists of a shell, which is primarily made up of protein and crystals of calcium carbonate. This shell provides protection and support for the clam's internal organs.

Answer: D
 Muscles are attached to the endoskeleton of the clam by tendons, which allow for movement of the shell and overall body. Ligaments are not used to attach muscles to the skeleton in the clam.

Which Statement About the Skeletal System of the Clam Is