Bones
Diatomaceous earth is made up of the skeletons of small animals.
Jawless fish have cartilaginous skeletons, meaning their skeletons are made up of cartilage.
YES! the skeleton is made up of bones!
Bones cartilage
It is made up of coral.
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.
Yes, coral reefs are made of the limestone skeletons of deceased corals - the living corals are on the surface of the reef.
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.
Most of ab baby's bones are made up of cartilage that eventually hardens into bone
An adult salmon has around 60-70 bones. Their skeletons are mainly made up of cartilage, with very few actual bones.
Coral Reefs have clear bodies that are white skeletons :PP
Skeletons are made up of a system of bones in the body.