One of the reasons sharks have been so successful is that they have exploited different ecosystems and eaten different types of foods. And because they’re eating different foods, they need different ...

There Are Over 500 Species of Shark There are many different types of sharks ... monsters grew between 49 and 59 feet long ...

While often referred to as living fossils, sharks have evolved many different guises ... they were still affected. Fossil teeth show that the asteroid strike at the end of the Cretaceous killed off ...

Students learn about the different ... BY-ND Shark AI students analyze various types of shark teeth. Bruce MacFadden photo composite , CC BY-ND The overall objective of Shark AI is to show that ...