Sentences with phrase «early domestication of»

The data support the early domestication of rice in the Yangtze basin of China and «a largely separate trajectory» of rice cultivation in the Ganges plains of India.
Co-author Dr Juliane Kaminski, an expert in dog cognition who is also at the university, said: «Little is known about the early domestication of wolves and it is likely to have been a complex evolutionary process.
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.
Early Domestication of Chile Peppers Confirmed By Dave DeWitt Scientists, including researcher Linda Perry, writing in the journal Science (February 16, 2007), have proven that chile peppers were domesticated in South America at least by 6,000 years ago.
The evidence for the early domestication of the camel is strong and that domestication definitely was early.
«The gelada case is comparable to what early domestication of dogs might have been like,» study researcher Claudio Sillero, of the University of Oxford, told New Scientist's Bob Holmes.

Not exact matches

9) «As has already been mentioned, this type of utilization [camels pulling wagons] goes back to the earliest known period of two - humped camel domestication in the third millennium B.C.» See The Camel and the Wheel, Richard W. Bulliet p 177
Furthermore, a Sumerian text from Nippur from the same early period gives clear evidence of domestication of the camel by then, by its allusions to camel's milk... For the early and middle second millennium BC, only limited use is presupposed by either the biblical or external evidence until the twelfth century BC.
The bones are the earliest found that show signs of the animal having been a «load bearing» animal, a sign of domestication.
He and others have proposed that a group of cells involved in early development called the neural crest are responsible for the suite of traits associated with domestication syndrome.
«It fills in a missing piece of the puzzle of early human - dog relationships, and even domestication itself,» adds Angela Perri, a zooarchaeologist at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany.
Archaeologists have unearthed a clutch of domesticated turkey eggs used as a ritual offering 1,500 years ago in Oaxaca, Mexico — some of the earliest evidence of turkey domestication.
That finding challenges the idea that only a few stallions participated in the early stages of domestication.
«Archaeological excavation unearths evidence of turkey domestication 1,500 years ago: Eggshells and bones from baby turkeys among earliest evidence for turkey domestication
Early efforts at nailing down the time and place of domestication varied wildly.
Perhaps those dogs were part of an early, failed attempt at domestication, she says.
A 33,000 - year - old incipient dog from the Altai Mountains of Siberia: Evidence of the earliest domestication disrupted by the Last Glacial Maximum.
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.
Instead, phylogenetic analysis shows Przewalski's horses are feral, descended from the earliest - known instance of horse domestication by the Botai people of northern Kazakhstan some 5,500 years ago.
Perry suggests in her report that the domestication of condiments — not just staples like corn and the tuber manioc — indicates that early inhabitants had sophisticated palates and agricultural systems.
But all of us, male and female, may have to get used to it: At a high - level meeting earlier this month, scientists argued that «self - domestication» was a key process in the evolution of our species.
Remains from Kazakhstan's more than 5,000 - year - old Botai culture have yielded the earliest direct evidence for domestication of these versatile beasts, scientists report.
As a researcher focused on an earlier period, she was more comfortable than some of her peers in accepting that domestication prior to the advent of agriculture — roughly 12,000 years ago — was even possible.
Finally, the researchers developed a novel statistical method to investigate the genome data for signatures of positive selection in early domestication stages.
This contrasts with the Cost - of - domestication hypothesis, which posits a negative impact starting from early domestication stages.
No written records predate the arrival of Spanish explorers in the Americas, but the earliest archaeological evidence for maize domestication dates back around 8,700 years.
One established center of turkey domestication was central Mexico, where the bones of Meleagris gallopavo — ancestors of the turkeys we eat today — have been found from as early as about 800 B.C.E. alongside ancient turkey pens and fossilized poop containing traces of corn, suggesting the birds were kept and fed.
The fact that Mexican turkeys were being transported between 650 to 950 kilometers outside of their natural range as early as 300 B.C.E., say Thornton and colleagues in a study published today in PLoS ONE, suggests that turkey domestication in Mexico may have begun centuries earlier than previously thought.
«These associations support the hypothesis that Nosema escaped into wild populations from heavily infected commercial colonies, at least during the earlier years of bumble bee domestication in the U.S.,» she said.
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.
But none of the phytoliths and starch grains at Xihuatoxtla come from the stalk; even at this very early period of domestication, the team found, the people who used the shelter were grinding the kernels.
Some of today's dogs may carry genetic traces of that early domestication — but it's hard to find, in part because scientists are still trying to recover DNA from those ancient German dogs.
«We observed that a large number of genes were involved in pathways related to wound healing, immunity, and metabolism, and this is consistent with the idea that the earliest stages of domestication may involve adapting to highly crowded conditions,» said Mark Christie, lead author of the study.
Study provides earliest evidence of animal domestication and treatment in early Latin America
The Guilá Naquitz cobs appear to be from an early stage of domestication, Benz says, because they don't have the multiple rows of seeds that characterize the later corn from Tehuacán.
The earliest dog domestication probably occurred near present - day Nepal and Mongolia, Laura Shannon of Cornell University and
The work could rewrite the thinking about some of the earliest days of dog domestication, and it suggests that scientists interested in the beginnings of the human - canine relationship should be paying more attention to early Arctic peoples.
By providing stable access to human shelter and food, hunter - gatherers led house mice down the path to commensalism, an early phase of domestication in which a species learns how to benefit from human interaction.
japonica, occurring at ∼ 13.1 — 24.1 ka, which is an order of magnitude older then the earliest archeological date of domestication.
We therefore sequenced two ancient horse genomes from Taymyr, Russia (at 7.4 - and 24.3-fold coverage), both predating the earliest archeological evidence of domestication.
This date significantly predates not only the widely accepted date for the beginning of horse domestication, ca. 5.5 kya (2), but also the earliest potential evidence for horse domestication, ca. 7.5 kya (10).
This approach revealed coat color variation as one early result of domestication, by showing that the selection of multiple alleles driving diverse coloration patterns was already ongoing in the Early Bronze Age early result of domestication, by showing that the selection of multiple alleles driving diverse coloration patterns was already ongoing in the Early Bronze Age Early Bronze Age (14).
This admixture could have occurred before domestication or during the early stages of the domestication process, following restocking from the wild as previously suggested (13, 32, 33).
«This in turn indicates that the domestication of dogs may be connected to the human development of agriculture and that it was on the scrap heaps of early settlements that the first steps of the development of dogs took place.»
Domestication of animals started as early as 9,000 to 15,000 years ago and initially involved dogs, cattle, sheep, goats and pigs.
Although this rock art gives us a better sense of how humans interacted with dogs during this time, it's possible that dogs were domesticated much earlier — possibly between 15,000 and 30,000 years ago — and the domestication process maybe have happened more than once.
That would explain why earlier DNA studies reported that all modern dogs were descended from one domestication event, and also the existence of evidence of two domestication event from two different far - flung locations.
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.
Flink et al. (2014) typed the TSHR and BCDO2 loci in archaeological chicken samples from Europe, spanning the last 2,200 years, to further examine the hypothesis of selection during early domestication.
Researchers have discovered what they believe to be the earliest evidence of cat domestication unearthed from a Chinese village, dating back to the Stone Age.
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