Question
A cockroach leg moves because muscles pull against the inner surface of a rigid outer covering. This is an example of movement supported by:
Select an option. Your answer will be checked instantly.
Correct Answer: B. Exoskeleton
Explanation:
Arthropod muscles attach to the inner surfaces of the exoskeleton. Contraction moves jointed appendages, making the exoskeleton both protective and mechanical support.
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