The body of an insect is covered by a protective __________________ formed from chitin and protein. Depending upon its precise composition and thickness, the cuticle may be soft and flexible or hard and rigid; according to requirements, it may or may not be permeable or waterproof:
Correct answer: C. three-layered skin (cuticle)
- A. Six- layered skin (cuticle)
- B. Two-layered skin (cuticle)
- C. three-layered skin (cuticle)
- D. None of the above
Explanation
Insect cuticle is commonly described as having three layers: epicuticle, exocuticle, and endocuticle, although their thickness and properties vary. This layered chitin-protein covering provides both protection and control of water loss.
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