Overview of sharks
There are over four hundred and sixty species of sharks that humans currently know about. Sharks live in oceans and bodies of water all around the world. While Movies such as "JAWS" have given sharks a bad reputation, sharks are actually interesting animals that are crucial to ecosystems across the world. Sharks are at the top of the food chain and fill the important role of keeping the worlds ocean ecosystems in balance; Without sharks animals lower than sharks on the food chain could overpopulate.
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