Concept:Different animals have different teeth.The type of teeth depends on the type of food an animal eats.Some are short, some are sharp.Explanation:Squirrel:Squirrels front teeth keep growing throughout their life.They have to keep gnawing on things to keep their teeth from becoming too long.Lizard:Lizard's teeth are conical or bladelike.They use it for grabbing and holding prey.Rat:Rat's incisors keep growing throughout their life which continues to grow and curve.They have to keep gnawing on things to keep their teeth from becoming too long.Termite:The soldier termites have unique serrated teeth.Termites teeth are so sharp that they can eat through wood.Thus, a Squirrel's front teeth keep on growing throughout its life.Cows:Cows have short front teeth for snipping grass.The teeth on the sides are large and flat for chewing the grass.Cats:Cats have sharp teeth for tearing and cutting meat.Snakes:Snakes have sharp curved teeth, but they do not chew their prey.Snakes always swallow their food whole.