Here’s the abstract from a new open-access paper.
The multiple origins of multicellularity had far-reaching consequences ranging from the appearance of phenotypically complex life-forms to their effects on Earth’s aquatic and terrestrial ecosystems. Yet, many important questions remain. For example, do all lineages and clades share an ancestral developmental predisposition for multicellularity emerging from genomic and biophysical motifs shared from a last common ancestor, or are the multiple origins of multicellularity truly independent evolutionary events? In this review, we highlight recent developments and pitfalls in understanding the evolution of multicellularity with an emphasis on plants (here defined broadly to include the polyphyletic algae), but also draw upon insights from animals and their holozoan relatives, fungi and amoebozoans. Based on our review, we conclude that the evolution of multicellular organisms requires three phases (origination by disparate cell–cell attachment modalities, followed by integration by lineage-specific physiological mechanisms, and autonomization by natural selection) that have been achieved differently in different lineages.Karl J Niklas, Stuart A Newman, The many roads to and from multicellularity, Journal of Experimental Botany, Volume 71, Issue 11, 11 June 2020, Pages 3247–3253, https://doi.org/10.1093/jxb/erz547
Stuart Newman is one of those The Third Way scientists seeking an alternative to sterile Darwinism.
See also: Stuart Newman, One Of The Third Way Evolution Scientists, On Why COVID-19 Is Deadly To Seniors