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Where do snails come from?

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Quick Answer

Fossil evidence dating back 550 million years identifies snail-like mollusks inhabiting the sea floor. Several million years later, snails adapted to land, breathing with lungs rather than gills. Snails now live in wide-ranging habitats from deserts to tropical climates, at sea level and in mountainous regions.

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Where do snails come from?
Credit: David Short CC-BY-2.0

Full Answer

Related to other shell creatures such as clams and mussels, snails also claim squid and octopus as relatives. Slugs are snails without a protective shell. Land and sea snails rank second as the most plentiful species, following insects. Garden snails damage plants by chewing leaves, low-lying fruits such as berries and tomatoes and tree bark. Land snails encounter many predators, including rats, birds, frogs, beetles, ants and humans.


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