marine based words angus

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Across
  1. 2. a broad principal divisions of the plant and animal kingdom
  2. 3. to escape
  3. 4. microscopic plants and animals that drift in the sea
  4. 7. living on the bottom
  5. 10. a classification of animals that are related
  6. 12. a place covered with water when the tide is in
  7. 14. numerous small, water filled, fleshy tubes used by sea stars and other animals
  8. 17. animals with a backbone
  9. 19. two shells
  10. 21. a tube-like organ used by clams
  11. 22. the shedding of exoskeleton
  12. 23. characteristic
  13. 25. a phylum with animals with and without back bones
  14. 26. a phylum of soft bodied animals
  15. 27. outer covering to protect self
  16. 28. a home or place where an something lives animal with no backbone
Down
  1. 1. animals eaten by predators
  2. 2. animals that kill and eat other animals
  3. 5. marine slugs
  4. 6. a fundamental biological divion of plants and animals
  5. 8. long, slender growth used in feeding
  6. 9. a removal of internal organs
  7. 11. an accumualation of decayed organic matter
  8. 13. a phylum of invertabrates with spiny skin
  9. 15. a barbered, thread -like stinger
  10. 16. a classification of plants and animals
  11. 18. a prosces of development in a species
  12. 20. to hide animal
  13. 24. the end part of a snail or slug for movement
  14. 29. the alternate rise and fall of the oceans surface