Teeth are teeth, neither cartilage or bone. But more similar to bone than cartilage.
No sharks are not 'bony'. The skeletal makeup of sharks is cartilage. Although cartilage is dense and can be bone-like it is significantly less dense than bone.
cartilage
cartlige
No, no shark has bone, all sharks have cartilage instead.
No. there is no bone in a sharks body. The sharks skeleton is made of cartilage.
Sharks, rays and ratfish have cartilage but its not sharks. Boney fish (like their name suggests) have bone in the mix - but they still have a lot of cartilage.
Sharks are not invertebrates, they have a vertebrae. It is just made out of cartilage, as opposed to bone.
Yes. All fish are vertebrates and they have backbones. A shark's skeleton is different because it is cartilage instead of bone, but sharks do have spines.No sharks do not have a backbone. Backbones are made up of, well, bone; sharks have no bones they have cartilage instead. Their "backbone" is made up of cartilage.
No.Sharks have a cartilaginous skeleton.(Although very large sharks, like C. Megalodon and other extinct megatooth sharks, had vertebral centra so hard that they fossilized in a similar way as bone tissue.)
YES! Sharks are fish and whales are mammals: they breathe air with lungs and nurse their young. Also Sharks only have bone in their jaw bone. The support for the rest of their body is cartilage.
Most fish have bones. Sharks and rays do not have bones but they do have bone-like structures that are made from cartilage.
the shark has about 85% of the body is cartilage because with out it they can not move as fast or as agile as they are with it