Among most species of sharks, the fertilized eggs are hatched inside the female, and the pups are born alive. However, about 40 shark species do lay their eggs outside their bodies. Young shark pups are not cared for by either parent, and their greatest threat is being eaten by a larger shark. Then head to the shark gallery for a peek at the modern-day shark's frightening ancestors. Humans are not the preferred food of sharks despite public hysteria and opinion to the contrary.
Research suggests it to be a case of mistaken identity.
This is the site of a comprehensive on-line hypertext book about sharks. Using the websites, complete one or more of the following projects about sharks. Pick a species of shark and describe why it is unique, why it is different than other sharks. Explain why it's your favorite shark. Compare and Contrast Sharks to Other Fish.