Which Statement About Arthropod Skeletons Is True

question 114

Multiple Choice

Which statement about arthropod skeletons is true?

• A) Muscles attach to their rigid external skeleton.
• B) Cells external to the cuticle secrete it.
• C) Typically, muscles create movement by pulling on rigid internal structures.
• D) Joints of the arthropod cuticle contain stiffening materials.
• E) During molting, cells under the cuticle secrete a substance that dissolves chitin.

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