About sharks

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Across
  1. 3. Species adapting to changes in their habitat over time
  2. 4. What a shark’s skeleton is made of
  3. 7. __________ of Lorenzini
  4. 8. Sharks have acute _______ and sense of smell
Down
  1. 1. The sixth sense of a shark
  2. 2. Groups of animals moving from one area to another area with a better climate
  3. 5. A predatory fish with a skeleton of cartilage
  4. 6. Sharks use these to breathe