At joints, the exoskeleton are:
Correct answer: B. Thin, soft, and flexible
- A. Thick, soft, and flexible
- B. Thin, soft, and flexible
- C. Thin, hard, and immovable
- D. Thick, hard, and flexible
Explanation
At joints, the exoskeleton is quite thin and flexible as it lacks a cuticle and helps in the movement of muscles of the arthropods. This provides them flexibility and a larger surface area for a variety of movements.
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