Lions have endoskeletons because they are mammals and we are mammals.
All whales have internal skeletons and are vertebrates.
we need endoskeletons because they hold us up. if we had an exoskeleton we would be covered by a shell
No, worms do not have an endoskeleton and they don't have an exoskeleton, either.
Annelids have endoskeletons
In animals with endoskeletons, muscles surround the skeleton. In animals with exoskeletons,the skeleton surrounds the muscles.
The animals that have endoskeletons are all vertebrates like lions, tigers, dogs, cats, etc. The animals that have exoskeletons are crabs, most insects, mullusks, clams, etc.
No. They have an endoskeleton just like us.
No. Like all vertebrates, snakes have endoskeletons.
Polar bears have endoskeletons.
The prefix "endo-" usually refers to something inside or internal. In the case of endoskeletons, it implies that the skeleton is located inside the body of an organism, as opposed to an exoskeleton which is on the outside.
no an exampl of an exoskeleton is a bug because the have no bones but they have a hard outer shell
No, they have endoskeletons like any other bird (and you, too).