Upside-down jellyfish (IMAGE)

University of Texas at Arlington

Upside-down jellyfish

Caption

For the project, scientists studied the polyp stage of the upside-down jellyfish, a juvenile life stage. During the polyp stage, jellyfish can live with or without symbiotic algae, setting up a natural experiment. The team exposed two groups of jellyfish polyps to a harmful bacterium, one group of polyps with symbiotic algae and the other without.

Credit

Courtesy UT Arlington

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