Chapter

Introduction: A Third Phase of Life

Laurence D. Muller

in Does Aging Stop?

Published in print July 2011 | ISBN: 9780199754229
Published online September 2011 | e-ISBN: 9780199896714 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199754229.003.0001
Introduction: A Third Phase of Life

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There is a third phase of life, following development and aging, which we call late life. Late life is characterized by relative flat mortality and fecundity rates or plateaus. Late life requires different evolutionary, demographic, and physiological principles from those that characterize the first two phases of life.

Keywords: late life; mortality plateau; fecundity plateau; demographic

Chapter.  2330 words. 

Subjects: Evolutionary Biology

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