“Our data suggest that ‘sneezing’ is an adaptation that sponges developed to keep themselves clean,” says Jasper de Goeij, a marine biologist at the University of Amsterdam and lead author of the paper. The results are published in the journal Current Biology.Īlthough this behaviour has been known for years, their findings show that sponges remove particles they can’t use through this act of expulsion. Researchers led by the University of Amsterdam (The Netherlands) have discovered that porifera, or sea sponges, one of the oldest extant multicellular organisms, ‘sneeze’ to unclog their internal filtering systems. However, it is also one of the oldest ways in which organisms eliminate waste. In humans, a sneeze is a convulsive reflex action of expelling air from the lungs through the mouth or nose. This mucus expelled into the water is used by some animals living in the surrounding area as food. This week’s #Cienciaalobestia features porifera, also known as sea sponges, which ‘sneeze’ to clean their internal filtering systems.
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