Adaptive Significance of Circadian Clocks

@article{Sharma2003AdaptiveSO,
  title={Adaptive Significance of Circadian Clocks},
  author={V. Sharma},
  journal={Chronobiology International},
  year={2003},
  volume={20},
  pages={901 - 919}
}
  • V. Sharma
  • Published 2003
  • Biology, Medicine
  • Chronobiology International
  • Circadian clocks are ubiquitous and are found in organisms ranging from bacteria to mammals. This ubiquity of occurrence implies adaptive significance, but to date there has been no rigorous empirical evidence to support this. It is believed that an organism possessing circadian clocks gains fitness advantage in two ways: (i) by synchronizing its behavioral and physiological processes to cyclic environmental factors (extrinsic adaptive value); (ii) by coordinating its internal metabolic… CONTINUE READING

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