Evolutionary Ecology

, Volume 4, Issue 3, pp 273–275 | Cite as

Dimensionless numbers and life history evolution: Age of maturity versus the adult lifespan

  • Eric L. Charnov
  • David Berrigan


Within many taxa the age of maturity is not simply positively correlated with the adult lifespan; the two variables are proportional to each other. The dimensionless number which is the constant of proportionality thus becomes something to be predicted by life history theory.


Endotherms ectotherms life history rules comparative demography 


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Copyright information

© Chapman and Hall Ltd. 1990

Authors and Affiliations

  • Eric L. Charnov
    • 1
  • David Berrigan
    • 1
  1. 1.Department of BiologyUniversity of UtahSalt Lake CityUSA

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