Some reptiles have four legs, while others have no legs, like snakes ... Amphibians are animals that live both in water and on land. They start their lives in water, hatching from eggs, and ...

They must dig into the earth with their front claws and use their strong front legs to pull themselves along, dragging their bellies across the ground. If caught on land, these animals have no ...

They’re also one of the world’s largest arthropods, animals with no backbone, external skeletons, and multiple-jointed appendages. In this crab’s case, those appendages are its 10 legs.