An evolutionary theory of the family.

@article{Emlen1995AnET,
  title={An evolutionary theory of the family.},
  author={Stephen T. Emlen},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={1995},
  volume={92 18},
  pages={
          8092-9
        }
}
  • S. Emlen
  • Published 29 August 1995
  • Biology
  • Proceedings of the National Academy of Sciences of the United States of America
An evolutionary framework for viewing the formation, the stability, the organizational structure, and the social dynamics of biological families is developed. This framework is based upon three conceptual pillars: ecological constraints theory, inclusive fitness theory, and reproductive skew theory. I offer a set of 15 predictions pertaining to living within family groups. The logic of each is discussed, and empirical evidence from family-living vertebrates is summarized. I argue that knowledge… 
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