Seashells are made of calcium carbonate and proteins from mollusks' mantle tissue. #seashell #beach
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Seashells are made of calcium carbonate and proteins from mollusks' mantle tissue. #seashell #beach
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If you know that seashells are made of basically the same stuff as chalk, you might have wondered why chalk is crumbly but seashells are super tough--the secret’s in the biochemistry. | Reactions
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Where do seashells come from? [VID: Where do seashells come from? The shells you find on the beach were once home to small, soft-bodied creatures called mollusks. Clams, scallops, mussels and oysters are examples of mollusks. Mollusks live by absorbing salts and chemicals from the seawater around them. As they process these materials, they secrete calcium carbonate. This chemical solidifies outside of their body and gradually forms a hard outer shell. The shell is attached to the mollusk but is
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Replying to @becomingluhna How are seashells formed? Do mollusks leave their shells? no, hermit crabs live in the dead outer skeletons of sea snails! #seashells #learnontiktok #naturearn #carcasses
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