Challenging puzzle for experienced crossword solvers
Armored Structures and Support Systems
Moderate difficulty suitable for most players
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Across
- 1. Group including crabs and lobsters with exoskeletons
- 2. Hard dorsal covering on turtles and some arthropods
- 3. Tough protein component that hardens an insect's shell
- 4. Process of shedding an old exoskeleton to grow
- 6. Type of shield-shaped exoskeletal plate
- 8. Protective outer covering similar to an exoskeleton
- 12. Main polysaccharide forming many arthropod shells
Down
- 5. Grasshopper known for its tough exoskeleton and swarming
- 7. External structural support found in many invertebrates
- 9. Distinct sections making up many exoskeletons
- 10. Mineral often deposited in shells for added strength
- 11. Six-legged arthropod with a rigid exoskeleton
- 13. What many exoskeletons do to provide protection
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