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vertebrate
Lions have endoskeletons because they are mammals and we are mammals.
A hydrostatic skeleton is a type of skeleton many animals in the animal kingdom have.
They have a type of skeleton called a hydrostatic skeleton. This type of skeleton is a fluid filled sac which is surrounded by muscles.
Internal Skeleton
a sponge skeleton
internal skeleton
it doesn't have a skeleton
worm
The appendicular skeleton is attached to the axial skeleton.
There are 62,305 different type of skeleton.
wild lion