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