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.
No, Some animals have vertabre and some do not
All animals have skeletons, unless they happen to be an invertebrate, such as a worm. Some animals also have exoskeletons, but that is still a type of skeleton.
A structure of bones connected by ligaments, as in almost all other animals with internal skeletons.
Not all animals have the same skeletal structure. Whales have bones in their "flippers" that resemble the same bones that make up the human "arm". This is called a homologous structure.
well theres not a type that ALL animals have, they can either have an ecto or endo
The same just like with all animals with an internal skeleton: to provide structure and support to the body, as well as protection to the more vulnerable organs in the body.
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.
Not all animals have a vertebrate.There is an exo - skeleton and a normal skeleton.we are vertebrate's.
yes, i know because I'm a scientist who studies fossils
all the bugs and some sea animals
All animals that are vertebrates meaning having backbones.
octopus & squids
No. Because they're not identical.