The Evolution of Multicellularity

Foreword by Andrew H. Knoll. Acknowledgments. List of Contributors. Introduction: The Evolution of Multicellularity in Context. Getting at the Basics of Multicellularity. Multi-Level Selection of the Individual Organism. Life Cycles as a Central Organizing Theme for Studying Multicellularity. Eukaryote Aggregative Multicellularity: Phylogenetic Distribution and a Case Study of Its Proximate and Ultimate Cause in Dictyostelia. Group Formation: On the Evolution of Aggregative Multicellularity. Group Maintenance in Aggregative Multicellularity. Group Transformation: Fruiting Body and Stalk Formation. Phylogenetics of Clonal Multicellularity. Group Formation: Hypotheses for the Evolution of Clonal Multicellularity. Group Maintenance in Clonal Multicellularity: Controlling Intra-organismal Evolution. Group Transformation: Life History Trade-offs, Division of Labor, and Evolutionary Transitions in Individuality. The Single-Celled Ancestors of Animals: A History of Hypotheses. Convergent Evolution of Complex Multicellularity in Fungi. Genetic and Developmental Mechanisms of Cellular Differentiation in Algae. The Evolution of Complex Multicellularity in Streptophytes. Multi-Species Multicellular Life Cycles. Conclusion: The Future of Multicellularity Research. Index.