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    seashell

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    • Haroldvofundefined
      Haroldvof
      last edited by

      the shell of a marine organism

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        seashell meaning & definition 1 of seashell.

      • Mamukcer 0undefined
        Mamukcer 0
        last edited by

        the empty shell of a marine mollusk

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          seashell meaning & definition 2 of seashell.

        • Tjalfdyed 0undefined
          Tjalfdyed 0
          last edited by

          Of a very light pink colour, like that of some seashell.

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            seashell meaning & definition 3 of seashell.

          • Konraddyncundefined
            Konraddync
            last edited by

            Shells found on the shore.

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              seashell meaning & definition 4 of seashell.

            • Hina Muqadasundefined
              Hina Muqadas
              last edited by

              A seashell or sea shell, also known simply as a shell, is a hard, protective outer layer usually created by an animal or organism that lives in the sea. The shell is part of the body of the animal. Empty seashells are often found washed up on beaches by beachcombers. The shells are empty because the animal has died and the soft parts have decomposed or been eaten by another animal.
              A seashell is usually the exoskeleton of an invertebrate (an animal without a backbone), and is typically composed of calcium carbonate or chitin. Most shells that are found on beaches are the shells of marine mollusks, partly because these shells are usually made of calcium carbonate, and endure better than shells made of chitin.
              Apart from mollusk shells, other shells that can be found on beaches are those of barnacles, horseshoe crabs and brachiopods. Marine annelid worms in the family Serpulidae create shells which are tubes made of calcium carbonate cemented onto other surfaces. The shells of sea urchins are called tests, and the moulted shells of crabs and lobsters are exuviae. While most seashells are external, some cephalopods have internal shells.
              Seashells have been used by humans for many different purposes throughout history and prehistory. However, seashells are not the only kind of shells; in various habitats, there are shells from freshwater animals such as freshwater mussels and freshwater snails, and shells of land snails.

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                seashell meaning & definition 5 of seashell.

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