Both..The skull is basically bone.
Amphibians are vertebrates, meaning they have a backbone. The skeletal system is mostly made up of bone, but also contains some smaller portions of cartilage. Not all vertebrates have bone skeletons, Chondrichthyes (sharks, rays etc.) have skeletons made up entirely of cartilage. Amphibians however do not.
A snake's skeleton is internal and made of bones, while a fish's skeleton is primarily made of cartilage. Additionally, fish skeletons typically have two main sections: the backbone and the skull, while snake skeletons are more elongated and flexible to aid in their slithering movement.
The skeleton of jawless fish, such as lampreys and hagfish, is primarily made of cartilage rather than bone. Cartilage is a flexible and lightweight tissue that provides structure and support to these fish without the need for heavy bones.
A shark's skeleton is made up of cartilage.
No, shark dorsal fins are not made of bone. They are made of cartilage, a flexible and lightweight tissue that makes up the skeleton of sharks. This composition allows their dorsal fins to be both strong and flexible for swimming efficiently.
Both humans and snakes have an exoskeleton made of bone and some cartilage. Both poses a skull, a jaw, vertebrae, and ribs. Some snakes also have a vestigial pelvis.
A nose is made up manly of cartilage which can bend unlike bone. Your ears are made up of cartilage. Your nose does have a bone in it but it is located at the top of the bridge of the nose close to the skull.
Because the skull is made of bone/calcium while the ears and nose are made of cartilage. It takes longer for bones to degrade and turn into dust. With the nose and ears, there are no bones involved so degradation occurs in a more rapid timeline.
The human ear (the bit that sticks out of the side of your head) is made of cartilage. However, inside the ear (in the middle hear behind the eardrum) there are 3 bones (the stirrup, the hammer and the anvil) made of bone.
Most of ab baby's bones are made up of cartilage that eventually hardens into bone
they are made of cartilage.
A newborn baby's skeleton is primarily composed of cartilage. As the baby grows, this cartilage gradually gets replaced by bone through a process called ossification. By the time a child reaches adulthood, their skeleton will be fully formed with bones.
cartilage or bone
It consists of bone connected to bone by hyaline cartilage.
It is cartilage until you get to the top of your bridge
The brain is made up of nervous tissues- the White and the Grey matter. It does not have cartilage.
Skeletons are made up of a system of bones in the body.