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Exoskeletons
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
Check
Across:
1. The hardened layer of cuticle consisting of chitin-protein microfibers 4. Extremely thin outer layer of cuticle 6. Cuticle + Epidermis 8. Flexible inner layer of cuticle 9. An insect's exoskeleton performs the same functions as our endoskeleton and our ______ . 11. Layer of cells below cuticle 12. The epicuticle is made of lipids and _________ .
Down:
2. Major component of exoskeletons 3. Type of skeletal structure arthropods have 4. Humans have this type of skeletal structure 5. Exoskeletons provide a place for muscle _________. 7. A disadvantage of exoskeletons are that they cannot _____. 10. The _____ membrane separates an insect's blood from its epidermis
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