If Shark Week Was Around A Million Years Ago

Transcript

Of all the predators to have ever arose on Earth, perhaps none have been as successful as sharks. On paper, these guys are pretty simple. You basically take a fish, give it a ribless cartilagynous endoskeleton, dermal dentacles, five to seven gill slits on each side, and then unfuseed pectoral fins, and boom, you've got yourself an evolutionary mar... Read More