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Contact: Mari N. Jensen
University of Arizona

Volvox tertius

Caption: The colonial alga Volvox tertius has about 2,000 cells and a complete division of labor: cells either swim or reproduce, but not both. The few large cells within these colonies are the reproductive cells, while the many tiny cells do the swimming.

Credit: Copyright 2009 Matthew Herron.

Usage Restrictions: This photo may only be used to illustrate a story about the research described in the accompanying news release,

Related news release: How Volvox got its groove

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