Sentences with phrase «evolution of mating»

I am interested in understanding variation in sexually selected traits in primates and the evolution of mating system diversity.

The authors suggest that cannibalism by females may therefore act to promote the evolution of mate choice by males.

This led me to work on a diversity of topics, from life - history theory and optimal resource allocation to the evolution of mate choice and mating systems, population genetics and phylogeography, habitat and niche modeling, and the evolution of dispersal, kin structures and social systems.

The Huawei Mate 8 ′ design language is a direct evolution of the Mate 7, as well as the Mate S. With the Mate 8 you get a symmetrical design that might feel a bit too familiar when coming from the Mate 7, though its rounded camera and fingerprint scanner help give a more modernized look.

Not exact matches

As psychiatrist Lawrence Kubie says, «A major source of unhappiness between husband and wife is to be found in the discrepancies between their conscious and unconscious demands on each other and on the marriage, as these are expressed first in the choosing of a mate and then in the subsequent evolution of their relationship.»

For evolution to be true every male dog, cat, horse, elephant, giraffe, fish and bird had to have coincidentally evolved with a female alongside it (over billions of years) with fully evolved compatible reproductive parts and a desire to mate, otherwise the species couldn't keep going.

Jehovah created all living things according to their «kind» - meaning, dogs can cross-breed with other dogs, humans with human, roses with roses, etc. - To trump evolution and discount the theory of creation, just try mating a dog with a pig, an orange with an apple, etc..

Female choice for good quality males is familiar to everyone, whereas much less is known about the evolution of male mate choice.

«Mate preferences will therefore be a central target and driver of biological evolution.

DB: Some of the examples I discuss in the book are Barbara Smuts and David Gubernick's mating effort hypothesis concerning the evolution of marriage, and Kristen Hawkes's «grandmother hypothesis» for the evolution of menopause.

Evolution has liberated human love from the reflexive neuroendocrine dominance of the hypothalamus and instead has led to mate choice and bonding based on relatively flexible motivation.

A less bird - obsessed man might have quailed, but Prum re-emerged with a string of discoveries that have reshaped the field's understanding of such fundamental questions as what feathers are for and how mating rituals drive avian evolution.

Dr Allan Debelle, who conducted the study as part of his PhD under the supervision of Dr Rhonda Snook at the University of Sheffield, said these results suggest that mate choice can be an important driver of the evolution of motor performance, «Our research shows that when, at each generation, females are given a choice among several mates performing energetically costly courtship, the motor performance of males in that population can respond to this selection process and progressively improve.»

«Understanding animals» movement patterns and the encounters they bring about is a key step in characterizing a population's mating system and essential for determining how behavior both facilitates and is subject to sexual selection,» explained Kamath, a postdoctoral scholar in UCSB's Department of Ecology, Evolution, and Marine Biology.

Darwin, of course, acknowledged as much when he observed that mating behavior — so - called sexual selection — can exert its own, often maladaptive, impact on evolution.

Intermixing does not surprise paleoanthropologists who have long argued on the basis of fossils that archaic humans, such as the Neandertals in Eurasia and Homo erectus in East Asia, mated with early moderns and can be counted among our ancestors — the so - called multiregional evolution theory of modern human origins.

In the study, «Ecological segregation in a small mammal hybrid zone: Habitat - specific mating opportunities and selection against hybrids restrict gene flow on a fine spatial scale,» which appears in the March print edition of the journal Evolution, the authors discuss the factors driving these mating dynamics in a hybrid zone in southern California.

Sexual selection might have given the evolution of hairlessness a boost, as smooth, healthy skin signaled that a prospective mate was parasite - free, Pagel and Bodmer argue in a paper published online 9 June by Biology Letters.

And as evolution has shaped our adaptive toolbox, it is not surprising that it is chock - full of tools to solve problems such as finding food, avoiding predators, finding a mate and caring for offspring.

«Ecological segregation in a small mammal hybrid zone: Habitat - specific mating opportunities and selection against hybrids restrict gene flow on a fine spatial scale,» appears in the March print edition of the journal Evolution.

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.

The researchers say this range of feather patterns implies that many different feather uses, such as insulation and mating displays, drove the evolution of early plumage.

Its exact function is unclear: it could just be a by - product of evolution, but some think it may help support the penis or stimulate the female during mating.

Although it's not yet clear whether the acquired genes were ultimately beneficial or harmful, the finding strengthens the idea that such cross-species mating played an important role in the evolution of the great apes.

Geoffrey Miller, a psychologist at the University of New Mexico, is theauthor of Mating Mind: How Sexual Choice Shaped the Evolution of HumanNature.

In the early stages of their evolution, feathers may have served in mating displays or species recognition.

Although cautious about how broadly — and to how many species — Prum's work applies, experts are enthusiastic and curious about the evolution of the blue hue in cotinga necessary for finding a mate.

This «disruptive» selection can lead to the evolution of new species when the different types also mate preferentially with their own type.

The researchers» hypothesis: The evolution of feathers made dinosaurs more colorful, which in turn had a profoundly positive impact on communication, the selection of mates and on dinosaurs» procreation.

Their hypothesis: The evolution of feathers made dinosaurs more colorful, which in turn had a profoundly positive impact on communication, the selection of mates and on dinosaurs» procreation.

A Washington State University researcher has found that the mating habits of salmon can alter the profile of stream beds, affecting the evolution of an entire watershed.

Wasps of different species can mate successfully if we tinker with their gut bugs, backing the «hologenome» idea that bacteria shape their hosts» evolution

Although matters can sometimes get complicated — the evolution of higher choosiness in one sex can either promote or impede selection for choosiness in the other, depending on the conditions — the researchers find that, if the ecological circumstances are such that individuals spend a large part of their lives searching for mates (e.g., male Mormon crickets, many male spiders), then the cost of choosiness is also high — and individuals can be expected not to be particularly choosy (it takes too much time).

First author of the study, Dr Peter Harrison (UCL Genetics, Evolution & Environment), said: «We chose a particular group of birds which differ in how they display male and female traits, and the extent to which males compete for mating.

Classical models of evolution predict that pure females would not mate with these hybrids, as the hybrids are considered less fit from an evolutionary perspective.

The question of how and why animals choose mates is also one key in the much larger study of how evolution works.

Evolution of male body shape particularly affects traits associated with these different mating strategies.

The Evolution of Beauty: How Darwin's forgotten theory of mate choice shapes the animal world — and us

Darwin argued, and many researchers believe, that sexual selection — competition for mates — is the driving force for the evolution of such foppish ornamentation as a male peacock's tail and the stunning turquoise, white, and chestnut coloration of an adult male lazuli bunting.

To further test the consequence of mating preference on the evolution of menopause, we modeled the effect of mutations having delayed age of onset, using stochastic, computer simulation of a population with constant size, without pre-existing diminished fertility in females, and involving mutations that affected fertility as well as mortality.

The work addresses a central problem in evolution that's poorly understood: how animals of one species know not to mate with animals of other species.

My main research interests lie in understanding the evolution of social and mating systems in mammals.

Jerry Coyne, PhD, professor of ecology and evolution, and his co-workers analyzed and even swapped the mate - attracting fragrances among four closely related species of Drosophila and showed that these pheromones are crucial for male suitors to recognize females of the same species.

We all know how the perfect male body should look like — recognizing it is an instinctive response, a product of evolution that has helped women find the ideal mate to reproduce and indicated the potential leader of the group for other men.

A new paper, forthcoming in the Journal of Evolution and Human Behavior, does just that and finds that for most people political beliefs is not something they choose to advertise to potential mates.

(As a primary directive of evolution, these guys should have acted impulsively after successfully mating.)

Under the hood, the Prologue packs an evolution of the 4.0 litre twin - turbo V8 engine found in current Audis mated to an eight - speed automatic transmission and Quattro all - wheel drive.

General Nonfiction Locking Up Our Own: Crime and Punishment in Black America by James Forman Notes on a Foreign Country: An American Abroad in a Post-America World by Suzy Hansen The Evolution of Beauty: How Darwin's Forgotten Theory of Mate Choice Shapes the Animal World — and Us by Richard O. Prum

In the theory of evolution, mating outside of their breed and family group ensures healthier offspring that can live longer.

I'm walking past the line to join a table of fighting mates at the Sao Paolo café inside the Rio in Vegas, where the Evolution Championship Series is being held.