They create their shell during development, while inside the egg. SO they have an "immature" shell at hatching.
Snails lay the eggs on plants or any other vegetation they can find.
Snails are actually born with a shell, it is as much a part of their body as our fingernails are to us.
when they born
egg and custard
Mommy and daddy snails.
Grown up snails
Snails are of the phylum Mollusca.
There are over a hundred snails!
Some of species born alive, but most of them are born hatched.
No, snails do not leave their shell to burrow.
A fish egg has baby fish in it, a snail egg has baby snails in it!
about 2-3weeks
Some species of snail certainly will if they get the chance.
they come from gardens
It will most likely be Egg Clutches.