Invertebrates

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Across
  1. 9. Lives in water.
  2. 10. Lives on land.
  3. 12. The third body part of an insect.
  4. 13. Echinoderm with five arms.
  5. 15. Crustacean that moves sideways.
  6. 16. Invertebrate with stinging tentacles.
  7. 18. Number of legs that insects have.
  8. 19. Number of legs that crustaceans have.
Down
  1. 1. Crustacean that does not move sideways.
  2. 2. Middle section of an insect.
  3. 3. Mollusc without a shell (also squirts ink).
  4. 4. Insect with two identical, large wings (also tastes with its feet).
  5. 5. Invertebrates that have an external skeleton that protects their body.
  6. 6. Invertebrate that lives a the bottom of the sea and cannot move.
  7. 7. Mollusc with an internal shell (also squirts ink).
  8. 8. Insect with spotted wings.
  9. 11. Mollusc that lives on land with one shell.
  10. 14. Arachnid with eight eyes.
  11. 17. Number of legs that arachnids have.