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2007-02-13 09:50:09 · 5 answers · asked by badboy 1 in Pets Fish

5 answers

Snails add calcium to the open end of their shell as they grow, much the same as an oyster coats a grain of sand to make a pearl.

That's why their shells have rings, just like the inside of a tree.

2007-02-13 10:25:09 · answer #1 · answered by Anonymous · 0 0

Snail dont have to improve there house,when u see a snail as a slug,its changing shells

2007-02-13 09:59:25 · answer #2 · answered by junehout 2 · 0 3

By building on additions to the open end.

2007-02-13 10:00:30 · answer #3 · answered by MT C 6 · 1 0

by taking off the s, . Got it.

2007-02-17 08:01:58 · answer #4 · answered by michelebaruch 6 · 0 0

freshens it up with some slime.

2007-02-13 09:57:45 · answer #5 · answered by Wondering 4 · 1 0

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