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  • 11-04-2018
  • Biology
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Describe the skeleton of a sponge

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jojoparramore30
jojoparramore30 jojoparramore30
  • 11-04-2018
Some spicules are formed of the mineralized substances calcium carbonate and silica, while others are made of an organic substance called spongin. Sponginskeletons were and are used as scrubbers in bathtubs, though they are fairly expensive. The ubiquitous bathtub accessory called a lufa is NOT a sponge, but a plant.
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