we need endoskeletons because they hold us up. if we had an exoskeleton we would be covered by a shell
Yes, they have endoskeletons. Seahorses' skeleton are inside their bodies so they would have endoskeletons.
Lions have endoskeletons because they are mammals and we are mammals.
What materials make up the endoskeletons of most vertebrates
yes
yes
yes; endoskeleton of vertebrates may be either bone or cartilage
Yes
In animals with endoskeletons, muscles surround the skeleton. In animals with exoskeletons,the skeleton surrounds the muscles.
An endoskeleton are inner skeletons that are composed of tissue that has become mineralized. Animals with endoskeletons are humans, monkeys, horses, birds, and fish.
yes a dolphin does have one!
Yes, toads do have endoskeletons.
No they do not. They have exoskeletons and thus are invertebrates.