Sentences with phrase «female fecundity»

Fat and female fecundity: Prospective study of effect of body fat distribution on conception rates.

These paintings were far from negligible; in fact, painting for painting, it could be persuasively argued that her 1944 canvas Natural History, a symbolical representation in blood colours of female fecundity, is better than equivalent early works by Rothko and Pollock.

Not exact matches

Skin redness amongst females was also positively linked to fecundity.

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.

These findings are important for understanding the evolution of signals of female reproductive state, how they influence male and female mating strategies, and how decoupling visual signals of fecundity from ovulation may affect intersexual conflict.

This often results in males mate guarding females during brief periods of high fecundity.

This work suggests that in snapping shrimp species that are less cooperative, female - female conflict within the colony has selected for queens that retain weapons at a significant cost to fecundity.

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.

The study, published this week in Nature, found that unrelated male flies compete more fiercely for females» attention than related flies, resulting in shorter lifespans for males and reduced fecundity for females.

There is no strong evidence that orgasm in females directly contributes to fertility or fecundity.

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

Because of quirks of their haplodiploid genetics, female workers share more genes with their sisters than with their own offspring, so it makes competitive sense for them to sacrifice their own fecundity to help their colony queen mother produce more sisters.

In the Main Space Self - Proliferation features over 30 internationally, nationally and locally renown artists whose work explores the natural female propensity for replication and fecundity.

Expanding on the rabbit and hare's traditional portrayal as symbols of lust and fecundity, Blake's «rabbit» has evolved into the artist's iconographic surrogate for gay men (playing off the stereotype of the promiscuous gay man) as well as a threshold figure for black / white and male / female.