A type of filamentous green alga with bulbous cells that lives in freshwater environments.
From Latin 'bulbus' (bulb) and Greek 'chaete' (hair or bristle), referring to the alga's hair-like filaments with bulbous enlargements.
These algae are so microscopically beautiful that they're used in aquariums and scientific studies—the bulbous cells give them a beaded appearance under the microscope, like a string of tiny glass beads.
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