Sharks are vertebrates that means they have a backbone and they are also cold blooded that means there body temperature changes. Some sharks have about 35,000 teeth a life time.
The Whale shark is the largest shark it eats plankton and small fish. The smallest shark is the world is the Dwarf Lantern shark it eats small fish.
More people die from car accidents then from shark attacks. Some sharks can be found in fresh water.
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