Chameleons don't change their appearance with their environment, it's based on their mood. Plesiosaurs, pterasaurs, and ichthysaurs are NOT dinosaurs. Piranas are not as vicious as people say they are. Mantis Shrimp have the most complex eye out of anything in the animal kingdom. Teddy Roosevelt practiced Judo. Nixon founded the EPA and made the Endangered Species Act. Bobbit worms are named after a women who cut off her husband's penis. Trilobites are named for the 3 line-sections that run the length of their bodies.