Sentences with phrase «for animal domestication»

Not exact matches

Now, animal behaviorists have shown that domestication was a two - for - one deal: Not only did the birds become fearless, they also got bigger and produced more and larger eggs.
The other, more popular explanation proposes that the advent of agriculture and the attendant development of human settlements in the Middle East around 10,000 years ago created scavenging opportunities for animals bold enough to exploit them and that wolves themselves thus initiated domestication.
Two: Domestication makes animals dependent on humans for food and, for the most part, reproduction.
Some of the earliest and most common genetic markers for domestication involve changes in the endocrine system that make an animal less fearful of humans.
Belyaev's idea was that ancient humans picked wolves and other animals for docility and that this artificial selection jump - started an evolutionary path toward domestication.
With other researchers, he discovered that selecting for tamer animals carries with it a suite of unintended evolutionary consequences — ranging from changes in appearance to new behavior traits — known as domestication syndrome.
Horses and other animals typically used for transport are products of directed domestication: Humans take an animal out of the wild with a specific use in mind, and breed subsequent generations for that purpose.
The genome data set generated in the study also reveals important lessons for the history of horse management, which started some 5,500 years ago, and animal domestication as a whole.
And Dr. Ludovic Orlando from the Centre for GeoGenetics at the University of Copenhagen concludes: «Perhaps even more exciting as it represents the hallmark of animal domestication, we identify genes controlling animal behavior and the response to fear.
Prior work had suggested that domesticated dogs came from the Middle East based on archaeological evidence and domestication patterns for other animals.
The team proposed that this process is drawn out in domesticated animals, because domestication selects for animals that develop more slowly.
«Turkeys would have made a good choice for domestication as there were not many other animals of suitable temperament available and turkeys would have been drawn to human settlements searching for scraps»
Radiocarbon dating reveals the dogs lived between 450 and 300 B.C.E., the earliest evidence yet for animal management and domestication by the Mayans, the researchers report today in the Proceedings of the National Academy of Sciences.
In the second scenario, the Botai horses didn't survive, and were replaced by horses domesticated elsewhere, creating at least two centers of horse domestication (as there may have been for dogs, cats, and other animals).
Providing a platform for future studies into biomedicine, evolution and the domestication of important animals including dogs, cows, horses and pigs.
This discovery provides a significant opportunity not only to enhance our understanding of how miRNAs regulate a variety of biological processes in an important model species for studying human diseases, but can lead to further, similar research into the role that miRNAs play in animal domestication.
Based on observations of a group of three young female Somali wild asses at the Saint Louis Zoo, the study provides new insight into the species» social behavior in a captive setting — a relatively good proxy environment for the early phases of wild animal domestication.
Along with the growing of grains came the domestication of certain animals for use as food, mainly cattle, sheep / goats, pigs and chickens, introducing new foods made from milk into our diets, and subsequently the retention of the lactase gene into adulthood in cattle - raising populations.
The study, published by Springer in the Animal Cognition journal, suggests that the reason for cats» unresponsive behaviour might be traced back to the early domestication of the species, contrasting this with the relationship of humans to dogs.
Charles Darwin wrote of polydactyl cats in his book «The Variation of Animals and Plants Under Domestication» published in the 1850's «I have heard of several families of six - toed cats, in one of which the peculiarity had been transmitted for at least three generations» pre-dating claims elsewhere that the first scientific recording of feline polydactyly was in 1868.
Fact: The domestication of animals removed them from the «natural order» and placed responsibility for their care with humans.
He points out the animals have certainly had time to adjust for people since their domestication in Egypt over 5,000 years ago [Note: cats were domesticated simultaneously or earlier in Pakistan].
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