Sentences with phrase «fecundity selection»

After years of research, an evolutionary biologist from the University of Lincoln, UK, has proposed a revised version of the theory of fecundity selection which recommends an updated definition, adjusts its traditional predictions and incorporates important new biological terms.

The study, published in the scientific journal Biological Reviews, concludes that the theory of «fecundity selection» — one of Charles Darwin's three main evolutionary principles, also known as «fertility selection» — should be redefined so that it no longer rests on the idea that more fertile females are more successful in evolutionary terms.

«New research demands rethink on Darwin's theory of «fecundity selection».»

Darwin's theory of fecundity selection, together with the principles of natural selection and sexual selection, remains a fundamental component of modern evolutionary theory.

In chinook salmon, hatchery rearing relaxes natural selection favoring large eggs, allowing fecundity selection to drive exceptionally rapid evolution of small eggs.

Not exact matches

Using these images and 20 years of genetic parentage data, the researchers assessed whether the variation in red ornaments influenced fecundity — that is they produced more offspring — and is heritable in male and female rhesus macaques, two necessary conditions for the trait to be considered under sexual selection.

Wolf U. Blanckenhorn, Alexandre Ding, Paul I. Ward, Patricia Meile, Yvonne Teuschl, Constanze Reim, Oliver Y. Martin & David J. Hosken — 2002 (8)([email protected]) Keywords: body size, cryptic female choice, fecundity, mating costs, Scathophaga stercoraria, Scatophaga, sexual conflict, sexual selection