Evolution of behavior by density-dependent natural selection.

  title={Evolution of behavior by density-dependent natural selection.},
  author={P Z Guo and Laurence D. Mueller and Francisco J. Ayala},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={88 23},
Theories of density-dependent natural selection predict that evolution should favor those genotypes with the highest per capita rates of population growth under the current density conditions. These theories are silent about the mechanisms that may give rise to these increases in density-dependent growth rates. We have observed the evolution of six populations of Drosophila melanogaster recently placed in crowded environments after nearly 200 generations at low-population density in the… CONTINUE READING

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