Arthropoda

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Across
  1. 4. Onychophora group
  2. 8. fused head
  3. 10. spider family
  4. 13. one of a pair of excretory organs
  5. 16. transformation from baby to adult
  6. 18. divided into parts
  7. 19. bug legs
  8. 20. segmented body
  9. 22. baby insect
  10. 23. millipede centipede
Down
  1. 1. taxon created by Moore
  2. 2. shed old skin
  3. 3. inactive baby
  4. 5. young dragon fly
  5. 6. external respiratory opening
  6. 7. a phase or molting
  7. 9. sent
  8. 11. bug shell
  9. 12. under the sea bugs
  10. 14. bug baby
  11. 15. male and female genitelia
  12. 17. eyespot
  13. 21. what the shell is made of