Sentences with phrase «ancestor of»

The main wild ancestor of today's chickens, the red junglefowl Gallus gallus is endemic to sub-Himalayan northern India, southern China and Southeast Asia, where chickens were first domesticated 6,000 - 8,000 years ago.

Mellaart saw Çatalhöyük as the ancestor of much more elaborate Bronze Age civilizations, such as Knossos on Crete, and he assumed it too must have been ruled by an elite — perhaps the priests whose shrines he thought he had uncovered.

«The tiny size and very basal evolutionary position of Archicebus support the idea that the earliest primates, as well as the common ancestor of tarsiers and anthropoids, was miniscule.

This conflicts with the hypothesis that Ardipithecus is a direct ancestor of later hominins.

In evolutionary terms, they are believed to have descended from a common ancestor of cyanobacteria, which emerged 3.6 billion years ago.

This backs up a 2013 study that showed that several traits thought to be unique to bony fish, such as the presence of large platelike bones, were in fact present in placoderms, an extinct group of jawed fish related to the ancestor of both cartilaginous and bony fish.

Szostak, 51, embarked on this quest to re-create the ancestor of us all because he was bored with yeast.

And the answer is that the common ancestor of primates probably appeared about 20 million years earlier than people thought.

So the Sima mtDNA might have been present in the last common ancestor of both Neanderthals and Denisovans, but over time, lost in Neanderthals.

To find the last common ancestor of any two species, scientists look to the molecular clock, which describes how quickly genetic mutations accrue.

Working backwards, Larson and his colleagues hypothesized that the last common ancestor of today's birds was a toothless seed eater with a beak.

(Roughly, the more bison there are, the greater their genetic diversity and the longer it will take to find the common ancestor of two animals chosen at random — just as one would expect residents of a small English village to be more closely related than two people picked at random from the world population.)

Researchers at CEA, CNRS and Université d'Aix - Marseille have investigated a signaling pathway, scarcely studied until now, which was already present in the bacterial ancestor of chloroplast, the compartment where photosynthesis takes place.

The common ancestor of all the species belonging to the Lynx genus, Lynx issiodorensis, first appeared in North America about four million years ago before spreading to the continents of Asia and Europe where it persisted throughout time.

The results, published in July, radically revise the timeline for equine evolution, revealing that the common ancestor of contemporary horses, zebras and donkeys originated at least 4 million years ago, twice as far back as previously thought.

That would make them the closest living relative of the ancestor of all amphibians, reptiles, birds and mammals.

Archie's relatively small eyes support Ni's theory that the yet - to - be-discovered ancestor of our branch of primates was, like humans, active during the day, or diurnal.

Now, researchers have traced the first appearance of these pigments to a theoretical ancestor of perching birds (Passeriformes) that probably lived 56 million years ago, more than 100 million years after brown and black birds owned the skies.

«No known hominin is common ancestor of Neanderthals and modern humans, study suggests.»

Gingerich proposed that this fossil may be the earliest anthropoid — or the common ancestor of all later monkeys, apes, and humans.

«The papaya Y might well resemble the ancestor of the human Y at a very early stage of evolution,» Ming says.

The researchers use techniques of morphometric analysis and phylogenetic statistics to reconstruct the dental morphology of the last common ancestor of Neanderthals and modern humans.

Paul Heggarty, a linguist at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, questions Garrett's methods, arguing that, for example, linguists can not be sure if the Latin attested to in written documents really was the direct ancestor of later Romance languages, rather than some dialect of Latin for which no record remains.

«None of the species that have been previously suggested as the last common ancestor of Neanderthals and modern humans has a dental morphology that is fully compatible with the expected morphology of this ancestor,» Gómez - Robles said.

The article, «No known hominin species matches the expected dental morphology of the last common ancestor of Neanderthals and modern humans,» relies on fossils of approximately 1,200 molars and premolars from 13 species or types of hominins — humans and human relatives and ancestors.

Through careful study of an ancient ancestor of modern turtles, researchers now have a clearer picture of how the turtles» most unusual shell came to be.

Surprisingly, the analysis showed Peñon Woman III is 12,755 years old, older than any known ancestor of modern Native Americans.

ramidus shows that none of these ape - like changes were present in the last common ancestor of African apes and humans.

In fact, the new jaw looks a lot like what Spoor imagined for the ancestor of OH 7.

The similarities strengthen the proposal that Lucy's species, which lived from 2.95 million to 3.8 million years ago, was the direct ancestor of Homo.

An international research team found 425 - million - year - old fossilized remnants of juvenile crinoids, a distant ancestor of today's sea lilies, encased in iron oxide and limestone in the Austrian Alps.

After two controversial attempts, the biological anthropologist at the University of Florence, Italy, and colleagues claim to have successfully sequenced mitochondrial DNA (mtDNA) from the fossils of a Cro - Magnon, a 28,000 - year - old European ancestor of living humans.

The researchers estimate that the most recent common ancestor of today's calyptrate flies lived about 70 million years ago — that is, just before the Cretaceous - Paleogene boundary; that the radiation of oestroids began about 50 million years ago; and that the family M. caenozoica belongs to (Mesembrinellidae) originated about 40 million years ago.

The ancestor of today's enormous, fleshy sweet watermelons was a surprisingly small, hard and bitter melon with pale green flesh.

South America's llamas and alpacas are domesticated versions of two wild camel species: guanaco (ancestor of llamas) and the smaller vicuña (alpacas» ancestor).

Now, an international team of scientists led by researchers at the University of California, Davis, has come a step closer to solving the puzzle by sequencing the genome of a wild ancestor of bread wheat known as Aegilops tauschii, a type of goatgrass.

However, in 2012 scientists found teeth from possibly the oldest known direct ancestor of the giant panda, Kretzoiarctos beatrix.

It probably means Homo habilis is not really an ancestor of anything.»

Other features hinted that the last common ancestor of humans and chimpanzees was a quadruped and not a knuckle - walking ape, as was long thought.

A 13 - million - year - old infant's skull, discovered in Africa in 2014, comes from a new species of ape that may not be far removed from the common ancestor of living apes and humans.

The site previously yielded the remains of an ancient great ape called Rudapithecus, a possible ancestor of African great apes and humans.

It also suggests that the earliest ancestor of butterflies and moths flew during the day, not at night, as previously thought.

sediba a possible ancestor of our genus Homo were misguided, and that a previous National Geographic video special on tiny skeletons from Southeast Asia exaggerated those bones» importance.

As Martinón - Torres explains, for a long time the idea was held that this species was a direct ancestor of modern humanity, and «all the human fossils found in what we call the Far East and in the current islands of Indonesia have been attributed systematically to Homo erectus.

Boyd also noted that «congruence between the evolutionary trees of lice and symbiotic bacteria can be traced to 20 - 25 mya when the lice parasitizing monkeys diverged from a common ancestor of hominid lice.»

A handful of tiny teeth have led scientists to identify the most distant ancestor of today's kangaroos.

That's when genomic models estimate the last common ancestor of Homo sapiens, Neanderthals and Denisovans existed.

Homo erectus — an early ancestor of modern humans — resembled a squat body builder more than a svelte distance runner, a newly unearthed fossil pelvis suggests.

Because the majority of Lepidoptera are active at night, scientists thought the common ancestor of butterflies and moths was nocturnal.

C. kunmingensis belongs to a group of animals called fuxianhuiids, and was an early ancestor of modern arthropods — the diverse group that includes insects, spiders and crustaceans.