How do snails get their shells?

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I understand that snails are born in eggs, but how do they get that massive shell and they aren’t multicolored? Like hermit crabs get different shells as they grow.. right?

In: Planetary Science

4 Answers

Anonymous 0 Comments

Snails slowly grow their shells, which is why it gets the significant shape it has, the shell itself made of something similar to keratin and is basically the same as a nail or a horn.

Hermit crabs dont grow their shells themselves, as they arent gastropods like snails. From an evolutionary standpoint they found their niche in using older shells made from marine gastropods to protect themselves.

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