Activity 8A Science: Order and Design Sections 8.1-8.2

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Across
  1. 4. regulating body temperature by external means
  2. 7. The largest carnivorous fish
  3. 9. kills the prey with an electric charge generated by special organs located behind each eye
  4. 10. bony overlapping plates protruding from a fish's skin
  5. 11. largest known fish
  6. 12. gill cover
  7. 13. a system of nerve endings that extend over a fish's head and sides
  8. 14. shark scales
  9. 17. w-shaped bands of muscles
Down
  1. 1. laying large quantities of eggs in the water
  2. 2. a sawfish's nose
  3. 3. protective case in which some sharks and skates lay their eggs
  4. 5. long-nosed oviparous rays
  5. 6. general term for cartilaginous fish with flattened bodies
  6. 8. paired holes through which sharks and rays inhale
  7. 15. large gas-filled organ that allows bony fish to stay suspended in any depth of water
  8. 16. group containing ratfish, spookfish, and elephant fish