There is cartilage in backbone and between the parts of the vertebrae of the backbone but the bone itself is actually an organ that produces blood like all other bones do.
Yes they do. Cartilage is also found in your nose and ears!
They are mammals. Mammals have backbones.
Placentals are mammals. All mammals are vertebrates which means they do have backbones.
Yes, they do.
yes and the wiki answers are a lay don't believe in thi
Yes- they are mammals, all mammals are vertabrates.
sharks dont have bones... their skeleton is made of cartilage
No! They are made of cartilage.
They are mammals, so of course they have backbones.
No! Fish, reptiles, birds, and amphibians all have backbones, but are not mammals.
Yes; all mammals have backbones because all mammals are vertebrates.
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.