The hypothesized relationship between the relative strength of sexual selection and life-history strategies is reexamined. The potential effectiveness of sexual selection depends not only on the relative survivorships of immature stages, but also on other components of fitness. The effects of fecundity and timing of maturation must be evaluated together with the survivorship in order to determine the reponsiveness of alternative life-history configurations to the force of sexual selection. More-over, the r-K continuum is an inadequate model for comparisons of life-history strategies. A general three-dimensional demographic model provides a more comprehensive conceptual framework for life-history comparisons
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Kirk O. Winemiller (1992) studied this question.
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