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How self-organization can guide evolution.

Jonathan Glancy1, James V Stone2, Stuart P Wilson1

  • 1Department of Psychology, The University of Sheffield, Sheffield, UK; Sheffield Robotics, The University of Sheffield, Sheffield, UK.

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|December 27, 2016
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Summary
This summary is machine-generated.

Mammalian huddling behaviors can accelerate evolution by relaxing selection pressures on metabolism. This self-organization allows rodents in groups to evolve lower thermal conductance faster than isolated individuals.

Keywords:
endothermyhuddlingnatural selectionself-organizationthermoregulation

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Area of Science:

  • Evolutionary biology
  • Thermoregulation
  • Behavioral ecology

Background:

  • Self-organization and natural selection are key evolutionary forces.
  • Understanding their interaction is crucial for evolutionary biology.
  • Empirical models are needed to study this interplay.

Purpose of the Study:

  • Investigate how mammalian thermoregulatory huddling influences natural selection.
  • Examine the impact of huddling on the evolution of metabolic traits.

Main Methods:

  • Applied a simple evolutionary algorithm.
  • Utilized a well-established model of thermoregulation.
  • Incorporated environmental, morphological, physiological, and behavioral factors.

Main Results:

  • Predicted that rodents huddling in cold environments evolve lower thermal conductance faster than isolated rodents.
  • Demonstrated accelerated evolution due to relaxed selection.
  • Showed that increased litter size amplifies this effect.

Conclusions:

  • Self-organization through huddling can accelerate evolutionary rates.
  • Relaxed selection on metabolism is a consequence of huddling behavior.
  • Empirical validation in rodents could reveal how self-organization guides natural selection.