Most crustaceans have exoskeletons
The skeleton is on the outside:)
Snails do not have an internal skeleton.A snail has an outer shell.There are thousands of species of snail, most snails can retract completely into it's own shell.
Worms and snails do not have an inside skeleton- but pigs do.
Well Pigs Do Have Bones And Worms Have No Bones and Snail Has A Shell On The Out Side So Snail And Worm
The external parts of a snail are shell and muscular foot. The shell is the outer skeleton of a snail. Snail moves from one place to another with the help of muscular foot.
many fishes do have
All snails have only a shell for a skeletal system.
No ... there muscle and there shell is the hardest thing your gonna find on them
Snails are invertebrates and have no interior skeletal structure. The snail's outer skin layer, the section called the "mantle" secretes calcium carbonate from which the snail's shell takes form and grows with the snail. The snail shell could be loosely referred to as an exoskeleton as it serves as a retreat and protective housing for the snail's organs.
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
internal skeleton
a sponge skeleton