Best Ever Q&A Space Our World Nature Evolution Prehistoric Life Dinosaurs Simple Creatures Insects & Spiders Fish Amphibians & Reptiles Birds Sea Mammals Land Mammals Ecology Animal Behavior Pets Farm Animals Plant Kingdom Plant Life History Science & Technology

Choose a Page:Where do cobras live?How can a chameleon look in two pl...*How can you tell the difference be...*Why do reptiles flick out their to...How do frogs climb trees?How do frogs jump?Are all snakes poisonous?What is a salamander?How do frogs breathe?Which turtle travels furthest?How does the collared lizard escape?How do newts find their way home?Which reptiles can change colour? How can you tell the difference between an alligator and a crocodile? When a crocodile closes its mouth, the fourth tooth in the lower jaw sticks up outside the top jaw. When an alligator does the same thing, this tooth is hidden.   Previous: Back Book: Best Ever Q&A Section: Nature Chapter: Amphibians & Reptiles