Arthropod

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Across
  1. 3. polymer occurring in nature
  2. 5. shedding
  3. 6. different species
  4. 7. outside skeleton
  5. 8. seed shrimp
  6. 11. eye spots
  7. 12. similar body parts
  8. 14. the transformation prosses
  9. 16. spider and kin
  10. 18. immature form
  11. 20. pores on an insect
  12. 21. joint legs
  13. 22. excretory organs
  14. 23. first stage to an adult
Down
  1. 1. sea spider
  2. 2. a period between molting
  3. 4. having male and female reproductive organs
  4. 9. limbs
  5. 10. inactive state between larva and adults
  6. 13. fused head
  7. 15. scents
  8. 17. in the title
  9. 19. fossil