Tikhon's Biology puzzle

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Across
  1. 3. oxygen
  2. 6. fly trap
  3. 8. a type of arthropod that starts with an M
  4. 9. have 2 pincers
  5. 11. the process done that made you
  6. 12. no spine
  7. 13. you do it over time
Down
  1. 1. you do it when you walk
  2. 2. what you do at the bathroom everyday
  3. 4. synonym is "bugs"
  4. 5. what happens after eating
  5. 7. bug with 8 legs and create webs
  6. 10. is a type of invertebrate