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.
we need endoskeletons because they hold us up. if we had an exoskeleton we would be covered by a shell
What materials make up the endoskeletons of most vertebrates
Newts are Ectothermic
yes they do
yes
yes
newts are ectothermic
all newts are carnivores
newts can stay together
it is not telling me what i want