INVERTEBRATES

1234567891011121314151617181920
Across
  1. 4. — Sea animal with no brain or organs
  2. 8. — An animal without a backbone
  3. 9. — Body symmetry where both sides match
  4. 12. — Body parts used for grabbing or stinging
  5. 13. — Long, soft-bodied animal (like earthworm)
  6. 17. — Group including crabs and lobsters
  7. 18. — Segmented worm group
  8. 19. — Sea animal that forms reefs
  9. 20. — A soft-bodied animal like a snail
Down
  1. 1. — Hard outer covering of some animals
  2. 2. — Group including jellyfish and corals
  3. 3. — Body divided into repeating sections
  4. 5. — Lives where an animal naturally survives
  5. 6. — Animal that hunts others
  6. 7. — Ocean animal with stinging tentacles
  7. 10. — Animals with jointed legs and exoskeletons
  8. 11. — Body symmetry in a circle pattern
  9. 14. — Has arms with suction cups
  10. 15. — Animal that gets hunted
  11. 16. — Slow-moving animal with a shell