Everything but bugs
Yes. All mammals have an endoskeleton.
Arctic foxes are mammals and have internal skeletons (endoskeleton).
Endoskeleton. (inside bones) Birds, reptiles, fish, amphibians and mammals have endoskeletons although there is the odd exception to the rule which has both. However no mammals have true exoskeletons.
Yes. Birds, fish, and mammals always have an endoskeleton.
Like all mammals, giant panda bears have an endoskeleton.
No. Bison are mammals, which means they would have an endoskeleton.
No, panthers have an endoskeleton as do all mammals.
No, koalas are mammals, so have an internal skeleton.
Chipmunks, like all mammals, have an endoskeleton, which means their bones are internal. An exoskeleton is a hard outer covering found in arthropods like insects and crustaceans. Chipmunks do not have an exoskeleton.
All mammals, fish, birds, reptiles, amphibians. a.k.a vertebrates.
Yes it is, because endoskeleton means an organism has its skeleton under the skin. While exoskeleton is when the skeleton is on the outside of the skin. for example most insects have an exoskeleton.
Generally, mammals and reptiles are both vertebrates, meaning they have a backbone and endoskeleton. Reptiles and mammals also have their brains located inside a cranium and have two eyes.