Sea sponges: surprisingly busy, as it happens. By putting a non-toxic dye at the base of this sea sponge, you can see how quickly it's sucking in the surrounding sea water—one paper suggested that a sponge weighing just one kilogram (2.2 pounds) could filter up to 24,000 liters of water a day (6340 gallons) (1) A sea sponge is covered in tiny pores. From the water, it filters oxygen as well as microscopic particles of food, which get stuck on a sticky substance inside. It then expels the water—a
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Sea sponges: surprisingly busy, as it happens. By putting a non-toxic dye at the base of this sea sponge, you can see how quickly it's sucking in the surrounding sea water—one
OceanX. . Sea sponges: surprisingly busy, as it happens. By putting a non-toxic dye at the base of this sea sponge, you can see how quickly it's sucking in the surrounding sea water—one paper suggested that a sponge weighing just one kilogram (2.2 pounds) could filter up to 24,000 liters of water a day (6340 gallons) (1) A sea sponge is ...
21.1K viewsOct 26, 2021
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You can pick up a synthetic sponge for just a few dollars. But a natural sea sponge, hand-harvested from the Mediterranean seafloor, could set you back $30. Harvesting these sponges is dangerous, and the risks don’t guarantee big rewards. Divers, or “the sponge men” as they’re called in Kalymnos, Greece, can find some of the most valuable sponges in the Mediterranean Sea. But these days, they're not so easy to come by. So what happened to the once-booming sea sponge population here? And why are
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You can pick up a synthetic sponge for just a few dollars. But a natural sea sponge, hand-harvested from the Mediterranean seafloor, could set you back $30. Harvesting these sponges is dangerous, and the risks don’t guarantee big rewards. Divers, or “the sponge men” as they’re called in Kalymnos, Greece, can find some of the most valuable sponges in the Mediterranean Sea. But these days, they're not so easy to come by. So what happened to the once-booming sea sponge population here? And why are
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FacebookInsider Science
Have you ever found one of these strange sea creatures on the beach? ⬇️ . This is a Sea Sponge! A lot of people know these strange sea things as being used commerically in our showers and sinks, but Sea Sponges are actually animals that play an important role in the ecosystem! 🌊 . Sea Sponges do not have tissues or organs, but are rather comprised of a skeleton of fibers called spicules. These spicules are made from calcium carbonate and/or a material known as spongin. . Sponges are important b
0:05
Have you ever found one of these strange sea creatures on the beach? ⬇️ . This is a Sea Sponge! A lot of people know these strange sea things as being used commerically in our showers and sinks, but Sea Sponges are actually animals that play an important role in the ecosystem! 🌊 . Sea Sponges do not have tissues or organs, but are rather comprised of a skeleton of fibers called spicules. These spicules are made from calcium carbonate and/or a material known as spongin. . Sponges are important b
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