NO, they do not.
Dolphin skeletons are not made of bones like most mammals. Instead their skeleton is made of a tough, flexible tissue called cartilage. It is the same thing that human ears are made of.
No, some animals have an external skeleton like insects and crustaceans. Others have an internal skeleton like fish and birds and people. Some internal skeletons are made of cartilage like sharks and some are made of bone and cartilage together, like mammals.
Yes, cartilaginous fish, such as sharks and rays, are vertebrates because they possess a bony internal skeleton known as cartilage. This skeleton provides support and structure for their bodies, and they also have a backbone, which is a defining characteristic of vertebrates.
Vertebrates are animals that have a backbone and an internal bony skeleton and include fish such as barracudas.
cartilage is not bone it is the skeleton of a shark the shark's body's skeleton is made of cartilage the top of your ear is made of cartilage
Just about anything will eat an invertebrate. Invertebrate just means it doesn't have an internal skeleton of bones and cartilage.
THey do
A shark's skeleton is made up of cartilage.
no they have a normal one! no they have a normal one!
cartilage
No, Children have allot of cartilage in their bodies, which turns to bone as they grow older.
No, Children have allot of cartilage in their bodies, which turns to bone as they grow older.