Cartilaginous Fish

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Across
  1. 2. the type of fertilization cartilaginous fish reproduce by
  2. 4. having a body made of 3 embryonic cell layers
  3. 10. the scientific name of the great white shark
  4. 15. body shape tapering at both ends
  5. 18. the term used to describe a hammer shaped head
  6. 19. the subphylum of cartilaginous fish
  7. 20. the type of consumer sharks are
Down
  1. 1. the type of symmetry all cartilaginous fish have
  2. 3. scientific name of cartilaginous fish
  3. 5. endangered status when the numbers of a species are slowly diminishing
  4. 6. a subclass of Chondrichthyes
  5. 7. the scientific name of the scalloped hammerhead shark
  6. 8. the skeleton of cartilaginous fish is composed of _
  7. 9. the organ cartilaginous fish take in oxygen through
  8. 11. the kingdom of cartilaginous fish
  9. 12. the phylum of cartilaginous fish
  10. 13. the scalloped hammerhead is _______ endangered
  11. 14. the body shape of the great white shark
  12. 16. the reason great white sharks are becoming extinct
  13. 17. the trophic level of the great white shark