yes
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
yes
yes; endoskeleton of vertebrates may be either bone or cartilage
As long as piranhas get.
Yes
piranhas are very good swimmersbaby piranhas are learners on swimming
There is no standard collective noun specifically for piranhas. The general collective nouns for fish can be used, 'a school of piranhas' or 'a shoal of piranhas'.
no piranhas are not in jamaica
No, there are no piranhas in Hawaii