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Sharks

Sharks. By: Trisha Williams. History. Earliest evidence of sharks appeared 430 million years ago in the Silurian Period or “Age of Fishes” Evidence found shows that these prehistoric sharks resembled today’s great white but were much larger and were called Charcarodon Megladon. Anatomy.

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Sharks

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  1. Sharks By: Trisha Williams

  2. History • Earliest evidence of sharks appeared 430 million years ago in the Silurian Period or “Age of Fishes” • Evidence found shows that these prehistoric sharks resembled today’s great white but were much larger and were called Charcarodon Megladon

  3. Anatomy 1. Liver 5. Stomach 9. Teeth 13. Caudal or Tail Fin 2. Spiral valve 6. Eye 10. Pectoral Fin 14. Second Dorsal Fin 3. Heart 7. Nostril 11. Pelvic Fin 15. First Dorsal 4. Pancreas 8. Ampullae of Lorenzini 12. Anal Fin 16. Gills

  4. Baby sharks are called pups Sharks can have 1 to 100 babies, depending on the type of shark Shark Babies

  5. Biggest Shark • Whale Shark • Biggest fish in the sea • Weighs about 2,000 pounds • Eats tiny fish, crustaceans, and drifting invertebrates

  6. Most Dangerous Sharks • Great White Shark (charcarodon carcharias) • Tiger Shark (galeocerdo cuvier) • Bull Shark (charcharinus leucas)

  7. Want to know more? To find out more about sharks click here.

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