Sneezing sponges suggest existence of sensory organ: Discovery challenges assumptions about 'primitive' organism
Thursday, February 6, 2014 - 15:30
in Biology & Nature
Biologists have used a variety of drugs to elicit sneezes in freshwater sponges and observed the process using fluorescent dye. Their efforts focused on the sponge's osculum, which controls water exiting the organism, including water expelled during a sneeze.