jaw points of movement snakes definition
Mandible. The mandible, or lower jaw, is the bone that forms the lower part of the skull, and along with the maxilla (upper jaw), forms the mouth structure. Movement of the lower jaw opens and closes the mouth and also allows for the chewing of food.The lower set of teeth in the mouth is rooted in the lower jaw.he mandible, or lower jaw, is the bone that forms the lower part of the skull, and along with the maxilla (upper jaw), forms the mouth structure.
A snake is an elongate reptile of the suborder Serpentes. Like all reptiles, snakes are ectothermic and covered in scales. All snakes are carnivorous and can be distinguished from legless lizards by the lack of eyelids, hind limbs and external ears.The 2,700+ species of snakes spread across every continent except Antarctica range in size from the tiny, 10 cm long thread snake to pythons and anacondas at 9 m (30 ft) long.ll snakes are carnivorous and can be distinguished from legless lizards by the lack of eyelids, hind limbs and external ears. The 2,700+ species of snakes spread across every continent except Antarctica range in size from the tiny, 10 cm long thread snake to pythons and anacondas at 9 m (30 ft) long.