Quiz: How Many Bones Do Sharks Have?
Answer: None That’s right—sharks don’t have any bones at all! Despite their powerful, streamlined bodies, sharks are completely boneless. Instead of bones, their skeletons are made entirely of cartilage, which is the same flexible material that makes up your ears and nose. This unique skeletal structure is one of the many adaptations that have helped sharks become some of the most efficient predators in the ocean. The Benefits of a Cartilaginous Skeleton Cartilage is much lighter and more flexible than
