Class Chondrichthyes

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Across
  1. 1. All of Chondrichthyes lives in ________.
  2. 5. All sharks, rays, and skates have an exoskeleton made of _______.
  3. 6. The electrical field sensor shows the shark an organism's _________ signals.
  4. 8. The _______ shark feeds just by opening its mouth.
  5. 9. Rays are ovoviviparous, while skates are ______ meaning their eggs are hatched outside the parent's body.
Down
  1. 2. The lateral line is full of _______ that sense vibrations in the water.
  2. 3. Sharks have terrible _____.
  3. 4. Sharks have strengthened teeth because of _____.
  4. 7. Some ______ can change color to blend in.