<I>Pseudomonas fluorescens</I> (IMAGE) Max-Planck-Gesellschaft Caption Diversity among nascent multicellular collectives: In such dishes containing various strains of Pseudomonas fluorescens scientists have observed in real time the evolution of simple self-reproducing groups of cells from previously individual cells. Credit Gayle Ferguson Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.