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
we need endoskeletons because they hold us up. if we had an exoskeleton we would be covered by a shell
There are male seahorses and female seahorses.
yes
yes
yes; endoskeleton of vertebrates may be either bone or cartilage
Yes
An endoskeleton are inner skeletons that are composed of tissue that has become mineralized. Animals with endoskeletons are humans, monkeys, horses, birds, and fish.
In animals with endoskeletons, muscles surround the skeleton. In animals with exoskeletons,the skeleton surrounds the muscles.
Seahorses Seahorses
Seahorses live in the sea.