Yes, because they don't have bones for structure or support so the shell provides them at least some protection from the outside world.
GEEZ, don't you know Gary on Spongebob like all the ridonculous peoples?
xD
Yes, they are either formed and hardened after they are born or they develop in the embryonic stage.
All snails have shells but not all Gastropods have shells. Snails are in the gastropod family.
Yes, all snails are born with a shell.
snails have shells slugs don't it is obvious
Snails dont rebuild their shells. I used to think that slugs were just snails without shells, but without their shells, snails die. Their bodies are sort of connected to the shells.
Their shells?
no
They grow them.
shells.
Yes, snails have really hard shells.
The snails shell is part of its body
Snails have shells and slugs don't.
see snails also have shells
snails shed their shells and find new shells