The 'endo' in the word 'endoskeleton' is a big clue because it means 'inner.' So, yes, a St.
Bernard has an endoskeleton. The opposite of endo is exo. An exoskeleton is an 'outer skeleton.'
Barnards star has a mass of between 0.15 and 0.17 solar masses.
Yes, they have endoskeletons. Seahorses' skeleton are inside their bodies so they would have endoskeletons.
two of them are
Lions have endoskeletons because they are mammals and we are mammals.
Our Galaxy, the Milky Way Galaxy
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
yes they do
yes
yes
Insects have exoskeletons.
Yes