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from Part I - The Evolution of Human Ultrasociality
Published online by Cambridge University Press: 09 October 2021
The term ultrasocial refers to those complex human and social insect societies that actively manage the cradle-to-grave production of the food they depend on. Contemporary theoretical concepts in evolutionary biology – including group selection, epigenetics, and social evolution – help to understand the transition to ultrasociality. Twentieth-century biology was dominated by a gene-centric view of evolution and natural selection. Today, biologists and social scientists are applying the basic principles of Darwinian evolution – selection, variation, and inheritance – at multiple levels. The recognition that Darwinian natural selection need not be gene based opens the door for a rigorous analysis of the common factors in the transformative evolution of humans and social insects that came with agriculture. Concepts of group selection can be successfully applied to understand how and why differentiated social structure and social complexity evolved. For humans and other ultrasocial animals, the evolution of complexity was propelled by their ability to produce surplus food. Basic economic laws drove the evolution of this major evolutionary transition.
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