Sharks and Stingrays both do not contain any bones in their bodies. All invertebrates have no "bones". Vertebrates have "bones". Read a book on Biology. Sharks, dogfish and rays are all vertebrates but have skeletons composed of cartilage not bone.
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Wtf... Sharks have sharp, pointy teeth. What are teeth made out of? Bones! Sharks have bones.
it is animals skeleton
animals with out a skelton a worm.
Almost all animals have a skeleton, whether its an internal skeleton or an exoskeleton. Some animals like the Jellyfish are of without a skeleton, and they are very much ... jelly-like. Examples include earthworms, slugs, etc.
In animals with endoskeletons, muscles surround the skeleton. In animals with exoskeletons,the skeleton surrounds the muscles.
Yes.
it is animals skeleton
This is called an exoskeleton.
skeleton
Animals on land need a skeleton so they maintain a shape other wise land animals would be just blobs of flesh.
They are know as invertebrates; Sharks whose bodies are supported by cartilage, Stingrays, same deal, Slugs I don't know how their bodies are supported, and many other animals
Yes, Amphibians are Vertebrates which are animals with backbones.
an animal without a skeleton is an invertebrate