A non-adaptive explanation for macroevolutionary patterns in the evolution of complex multicellularity
Emma P. Bingham,
William C. Ratcliff
Abstract:Abstract“Complex multicellularity”, conventionally defined as large organisms with many specialized cell types, has evolved five times independently in eukaryotes, but never within prokaryotes. A number hypotheses have been proposed to explain this phenomenon, most of which posit that eukaryotes evolved key traits (e.g., dynamic cytoskeletons, alternative mechanisms of gene regulation, or subcellular compartments) which were a necessary prerequisite for the evolution of complex multicellularity. Here we propos… Show more
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