Parent‐Offspring Conflict in the Evolution of Vertebrate Reproductive Mode

@article{Crespi2004ParentOffspringCI,
  title={Parent‐Offspring Conflict in the Evolution of Vertebrate Reproductive Mode},
  author={Bernard J. Crespi and Christina A. D. Semeniuk},
  journal={The American Naturalist},
  year={2004},
  volume={163},
  pages={635 - 653}
}
We propose and evaluate the hypothesis that parent‐offspring conflict over the degree of maternal investment has been one of the main selective factors in the evolution of vertebrate reproductive mode. This hypothesis is supported by data showing that the assumptions of parent‐offspring conflict theory are met for relevant taxa; the high number of independent origins of viviparity, matrotrophy (direct maternal‐fetal nutrient transfer), and hemochorial placentation (direct fetal access to the… 

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