No skelton at all.
Endoskeleton
No, the octopus has no endoskeleton. It is a mollusk.
All whales have internal skeletons and are vertebrates.
Endoskeleton - their bones are inside their body
Arctic foxes are mammals and have internal skeletons (endoskeleton).
endoskeleton
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.
it has got an endoskeleton.
Snails have both exoskeleton and endoskeleton. The shell is the exoskeleton. And the remaining part is endoskeleton.
No. A squid is an invertebrae, meaning it does not have a backbone. However, squid do have a similar structure called a "pen", that serve the same purpose. This cannot be called a backbone because it is made out of cartilage.
Yes. All mammals have an endoskeleton.