Sponges are nature's ancient water filters
Sponges are ancient, simple animals that continuously filter vast amounts of water, absorbing nutrients and playing a crucial role in maintaining healthy marine ecosystems.
Sponges, among Earth's simplest multicellular animals, continuously filter water to feed themselves. These sessile creatures pump water through their porous bodies using specialized cells called choanocytes, which create a current to draw in seawater. They trap microscopic food particles like bacteria and plankton, absorbing nutrients without moving. This ancient feeding strategy dates back over 600 million years.
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