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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About Joints
Joints are connections between bones that provide movement, stability or both. Coverage includes fibrous, cartilaginous and synovial joints, the structure of a synovial joint, cartilage, ligaments and synovial fluid, and the difference between ligaments that join bones and tendons that attach muscle to bone.
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