Sentences with phrase «with evolutionary studies»

Pagel helped pioneer the integration of mathematics and statistics with evolutionary studies.

Not exact matches

Studying evolutionary biology and communing with animals both wild and domestic have made me what I am today: An agnostically tinged neo-animist!

«These things have evolved because they're good for the parents, but they sometimes, not [with] high frequency, but sometimes carry over» into offspring, study researcher William Rice, an evolutionary geneticist at the University of California, Santa Barbara, told LiveScience.

More common — and pretty reasonable, was the objection that Hobbes's and Rousseau's understanding of the natural condition of members of our species doesn't square with what studies show concerning evolutionary psychology.

Stereotypes of older people are being dashed,» says biological anthropologist Helen Fisher, who helped facilitate the study, along with social historian Stephanie Coontz and evolutionary biologist Justin Garcia.

The new study offers «yet another piece of information» that selecting for changes in behavior can trigger a host of other changes in domesticated animals, says Greger Larson, an evolutionary biologist at the University of Oxford in the United Kingdom, who was not involved with the work.

To get a better view of how this might occur, the researchers looked at gene activity in the anterior pituitary glands of foxes in a breeding program at the Institute of Cytology and Genetics in Novosibirsk, Russia, designed to study the evolutionary processes associated with domestication.

In a subsequent study, Orians and Heerwagen applied their evolutionary perspective to 35 paintings of sunsets, by such artists as Frederick Church and Martin Johnson Heade, on the theory that sunset would have been fraught with tension for our ancestors.

From an evolutionary perspective, the single moms and dads — the study found no gender differences — may be looking for a partner to help with the kids but also to provide adult company.

The study got its start with Vitzthum's interest in the evolutionary role of social structures — grandmothering in this case.

The scientists combined phylogenetics — the study of evolutionary relationships between different species, with genomics — the study of how the genome of an organism conditions its biology.

In their study, the researchers found no evidence for the widespread idea that evolutionary adaptations to these two aspects of climate change would interfere with each other.

Some evolutionary biologists worry that failing to define their fundamental unit of study with the same precision leaves them open to criticism that they are doing something less than hard science.

The team still doesn't understand the genetic mechanism responsible for the effect, but study author and evolutionary biologist Francisco Rodríguez - Trelles of the Universitat Autònoma de Barcelona notes a clue: Flies carrying the «summer» inversions to deal with the heat wave produced five times more offspring than they would have in ordinary years.

Yet, fruit flies rarely interact with the fungus in the wild — pests like the corn earworm caterpillar are much bigger threats — so it's unclear how applicable these results are to the real world, says Marko Rohlfs, an evolutionary ecologist at the University of Bremen in Germany who was not involved in the study.

Entitled «Collaboration, Stars, and the Changing Organization of Science: Evidence from Evolutionary Biology,» the study defines stars as researchers with publication records that place them among the top 10 % of producers in their field.

Past work by Corrie Moreau, an evolutionary biologist at the Field Museum in Chicago, who was not involved with this study, revealed that one of the supersoldier species is located near the base of the Pheidole family tree, closely related to the ancestral ant, while other supersoldier species were scattered within the tree.

According to a 2009 study in Evolutionary Ecology Research, just 1 percent more time spent playing correlated with an 18 percent greater chance of survival into adulthood.

«Mating with multiple partners improves the chances that at least one chick will have the genes to cope with the variable conditions to come,» explained Carlos Botero, an evolutionary ecologist and the lead researcher of the study, published yesterday in the journal PLoS ONE.

The Palaeogenomics study conducted by the Human Evolutionary Biology group of the Faculty of Science and Technology, led by Concepción de la Rua, in collaboration with researchers in Sweden, the Netherlands and Romania, has made it possible to retrieve the complete sequence of the mitogenome of the Pestera Muierii woman (PM1) using two teeth.

«We have a large dataset,» says study coauthor Laura Shannon, an evolutionary geneticist at Cornell University who collaborated with an international team on the project.

The new study's lead author, Barbara Wallner, an evolutionary biologist at the University of Veterinary Medicine in Vienna, paired these old, yet meticulously kept data with modern DNA sequencing techniques to investigate the origins of today's horse breeds.

«All the sudden you can do these sorts of studies in scrub jays and other animals that are not a [laboratory] organism,» says Joseph Pickrell, an evolutionary geneticist at the New York Genome Center in New York City, who was not involved with the work.

«With our results of a negative relationship between predation pressure and longevity that is largely independent of other key life history traits we were able to confirm the universality of the 50 year old evolutionary theory of aging on a broad geographical scale» concludes Mihai Valcu, first author of the study.

In the current study, scientists aimed to better understand an evolutionary history that morphological analysis and the fossil record has fallen short of firmly establishing, said Jesse Breinholt, co-author and a postdoctoral researcher with the Florida Museum.

This latest study is one of only a few well - documented examples of what evolutionary biologists call «character displacement,» in which similar species competing with each other evolve differences to take advantage of different ecological niches.

«We found that prized sportfish, such as Brook trout and the smaller fish that trout eat, are disappearing from lakes where species of Bass have expanded their habitats,» said Karen Alofs, a postdoctoral researcher working with ecologist and conservation biologist Donald Jackson in the Department of Ecology & Evolutionary Biology at U of T, describing a study published this week in Proceeding of the Royal Society B.

Even more important, he adds, is that the study «confronts us with the realization that our wonderful brain is in many ways a product of our distant evolutionary past.»

«It's really cool that they can pinpoint the acquisition of key genes that allow the movement of this bacteria into fleas,» says evolutionary geneticist Hendrik Poinar of McMaster University in Hamilton, Canada, who was not involved with the study.

«Both studies provide powerful evidence for forms of cooperation in our closest relatives that have been difficult to demonstrate in other animals besides humans,» says Brian Hare, an evolutionary anthropologist at Duke University in Durham, North Carolina, who was not involved with the research.

«It was a big challenge to extract the DNA sequences from the fossil mammoths and mastodons and then to line these up with DNA from the modern elephants,» says Nadin Rohland, an evolutionary geneticist at Harvard Medical School in Boston and the study's lead author.

Anne Pusey, another evolutionary anthropologist at Duke who is unaffiliated with the studies, agrees it's a reasonable hypothesis.

Europeans must have incurred a rapid change in their genetic make - up because it held an evolutionary advantage for them to be able to digest milk, says Mark Thomas at University College London in the UK, who carried out the study with colleagues.

Studies on animals with mating or migration patterns that revolve around lunar cycles could also illuminate the underlying biological drivers as well as the evolutionary benefit of having a moon - synced clock.

«We're trying to explain evolution through developmental studies,» says Harvard University evolutionary developmental biologist Arhat Abzhanov, who, with colleagues, describes the work this week in Evolution.

The work speaks to how evolution may tap the same molecular pathways in very different animals, even for traits as complex as social behavior, says Hans Hofmann, an evolutionary neuroscientist at the University of Texas in Austin who was not involved with the study.

Ultimately, the team said, the study offers the clearest story yet of not only how, but why, horses took a common evolutionary theme like digit reduction and — literally — ran with it.

The research group studies viruses that infect microbes, and specifically bacteria and archaea, single - cell microorganisms similar to bacteria in size, but with a different evolutionary history.

«Furthermore, our study showed that despite the recurrent evolution of tricellular pollen, those lineages with tricellular pollen actually had slower evolutionary rates,» adds Williams.

«The anterior sclerite has been lost in modern arthropods, as it most likely fused with other parts of the head during the evolutionary history of the group,» said Dr Javier Ortega - Hernández, a postdoctoral researcher from Cambridge's Department of Earth Sciences, who authored the study.

Findings of the new study by sensory and evolutionary biologists at the University of Lincoln, UK, in collaboration with teams in Canada and France, have been published in the Journal of Experimental Biology.

Each taxon we recover represents a different set of evolutionary experiments with different outcomes, and most can be studied only via the fossil record.

The results jibe with a different theory — getting stuck with needles can endanger one's health via infections, so the study supports the evolutionary «handicap» theory that only those with high biological quality can afford such risky behavior.

«This paper represents a significant contribution to our understanding of human environmental adaptation,» says Toomas Kivisild, an evolutionary geneticist at the University of Cambridge in the United Kingdom, who was not involved with the study.

Biologists who use molecular data to study evolutionary dynamics between closely related organisms, such as populations, are constantly searching for regions of the genome with high amounts of variability.

The findings are «a very important contribution in addressing who turtles are related to, as well as the evolutionary origin of the turtle shell,» says Tyler Lyson, a vertebrate paleontologist at the Denver Museum of Nature & Science who was not involved with the study.

In one study, Jonathan Blount, an evolutionary biologist at the University of Glasgow, U.K., and colleagues fed zebra finches water fortified with carotenoids, while the birds» brothers drank plain water.

Rather, our study is yet further evidence that Homo floresiensis was a distinct species with a fascinating, if somewhat nebulous, evolutionary history.»

Jan Janecka, a postdoctoral fellow working with evolutionary genomicist William Murphy at Texas A&M University in College Station, has now jumped into the debate with a two - pronged molecular study, the most comprehensive approach attempted thus far.

Berkeley evolutionary biologist Erica Bree Rosenblum is studying this phenomenon in multiple species, including lizards, invertebrates and mammals, comparing them with their brown relatives in the adjacent desert and tracking changes in everything from genes to mating patterns.