Sentences with word «fecundity»

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 neo-Platonic supposition of infinite fecundity for such a One, as an inexhaustible fountain or source from which emanate being, mind, soul, and nature, would have been repudiated by Plato.

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.

«What happened here was most likely an increase in population size, with increasing fecundity, and higher levels of mobility and gene flow so that, over time, Neolithic Near Eastern villages became more cosmopolitan, and this eventually triggered expansion into Europe.»

Recent answers focus on fecundity impairments brought on by postponement of fertility, the high opportunity cost of childbearing, and partnership dissolution (Bongaarts 2001; Morgan and Rackin 2010; Quesnel - Vallée and Morgan 2003).

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.

Infection with intestinal helminths results in immunological changes that influence co-infections, and might influence fecundity by inducing immunological states affecting conception and pregnancy.

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.

«Bonobo sexual swellings appear to send mixed messages to males, as they do not always signal fecundity or imminent ovulation,» opined lead author Douglas.

Charity «encourages the healthier and more normal sections of the world to shoulder the burden of unthinking and indiscriminate fecundity of others; which brings with it... a dead weight of human waste.»

In Greece, newlyweds are given a pomegranate as house - warming gift as the fruit is said to promote 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.

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

«Human happiness, and certainly human fecundity, are not as important as a wild and healthy planet.

Given the multiple mating of honeybee queens it is unclear what the consequences of a reduction in sperm quality would actually have on queen fecundity.»

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.

Like the Feral Cats & Their Management authors, for example, and like many other opponents of neuter / return, Forbush projected his estimates of cat predation on birds from outlandishly high claims about feline fecundity ---- but Forbush relatively uniquely showed how he derived his numbers.

The fact that it took Cuaron, who last did the exceptional «Y Tu Mama Tambien,» so much time to break free says a lot about how much individuality and personal expression any director, no matter how gifted, can bring to a moneymaking franchise of such fecundity that it has to be shielded from risk at all costs.

Because farm herds are large and often kept by families for generations, farmers were able to «tease out» data indicating drops in production, increases in mortality, declining fecundity, and a steady rise in disease and illness.

The color is rich and lush, as if the divine fecundity is always just about to break through in any scene.

The quest for «strong, keen, efficient and great» offspring came to the fore during the past century, when the dominant classes became concerned with making fecundity discriminating.

Sanger's powerfully charged distinction between prudent and imprudent fecundity has grown to influence policies on everything from immigration to public schools.

All of my life I've been a passionate lover of our rich American land's variety: the lonely beauty of New England, the great chain of the Appalachians and the Green and White Mountains, the sweep of the prairies, the majesty of the Rockies, the unbelievable fecundity of the West Coast valleys.

Friendship between humans, the potential fecundity in the intimacy between sexual lovers, and the warm relationship of a mother and her child are each fragments of the Divine love.

Never on record has observed fertility fallen so fast or so far, from extreme fecundity to predictable extinction.

And the hope that the movie stretches out to us is that we can be transformed into fecundity by opening ourselves up to the grace that surrounds us.

Once again we were awed by the enormous fecundity of the wildlife.

As soon as her experiments ended, the rats» natural fecundity kicked in and the colony became a rat metropolis, testing her family's patience and driving the family dog crazy.

We are disgusted by morbid associations (maggots), excess fecundity (swarming locusts) and the invasion of our body (parasitic worms).

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

«Also, a stream of evidence shows that climate and food availability play very important roles in the evolution of fecundity among species.

While infection with Bp did not reduce Daphnia lifespan, it significantly impacted host fecundity, the researchers found.

Evolution tends to pick either quantity — short - lived beasts with superbroods — or quality, as exemplified by long - lived creatures with low fecundity but highly conscientious parenting.

If an environment allows or requires fecundity late in life, then life gets longer.

Finally all that extra amino acid might signal go go grow in that longevity experiments in a wide variety of animal models have all demonstrated its restriction of the essential amino acids that increase longevity (but decrease fecundity).

Contrasts abound: between the humanity the wigless Louis displays in bed with his children and the distant king in full regalia; the empty formality of Le Nôtre's marriage and the organic intimacy of his relationship with de Barra; the sparkling facades of the court ladies and the personal tragedies they conceal; and, of course, between the clipped formality of the royal gardens and the uncontrolled fecundity of the woods beyond.

Everyone remarks on how prolific Oates is, but the real significance of her literary fecundity liesin the power and daring of her novels and short stories and how they provoke and disturb us by tapping into our most elemental fears and desires.

Every spring, Mother Nature reveals her regenerative power — and the remarkable fecundity of cats, in the form of millions of newborn kittens.