animal crossword

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Across
  1. 3. hydraulic network of fluid
  2. 4. connective tissue
  3. 6. region at the lowest level of a body of water
  4. 14. neither develop nor retain vertebral column
  5. 16. reproduction of a new organism developing a outgrowth
  6. 19. that can make their own heat
  7. 20. noncancerous growth
Down
  1. 1. of food for newborns
  2. 2. with a backbone
  3. 5. lifeline between child and mother
  4. 7. vertebrates to reproduce without water
  5. 8. organ found in bony fish
  6. 9. structural pattern
  7. 10. shaped body with hanging tenticals
  8. 11. process of animals shedding their hair
  9. 12. mechanical frameworks
  10. 13. organism with both reproductive organs
  11. 15. frame work made of bone and cartilage
  12. 17. equality or equivalence between parts
  13. 18. sources