Sentences with phrase «anatomical features in»

«There is a combination of anatomical features in the skeleton that simply aren't found in any form of Homo sapiens.»
«Embryology can tell us about the evolutionary relationship between anatomical features in living animals, while palaeontology can pinpoint precisely when these features first appear in deep time.
That group includes all dinosaurs but also includes their earlier predecessors and their subsequent kin, which had the same general body plan but didn't have distinctive anatomical features in their hip bones that all true dinosaurs shared.

Not exact matches

At present, and based on what we know of the genetic regulation of development, these phenotypic changes in the gut are most likely the result of positive genetic changes in the genetic regulatory pathways controlling the development of the relevant anatomical features, i.e. they are novel positive, heritable genetic features producing a specific and functional novel anatomical structure within the Genus.
The ophthalmic features with unique anatomical characteristics may help to identify CZS in patients born without microcephaly.»
In the 1970s, however, archaeologists re-examining the remains noted that certain anatomical features, including the shape of the pelvis, suggested the skeleton belonged to a woman.
For the Past 130 years, paleontologists divided dinosaurs into two groups, based on a handful of anatomical features — a split they believe occurred early in the animals» evolution more than 230 million years ago.
The Venus figurines of women, some with exaggerated anatomical features, and ancient rock art, like the image from the Abri Castanet site in France that is supposedly of female genitalia.
A recent study by Allison Tripp of the University of Victoria in British Columbia, Canada, and Naomi Schmidt of New Mexico State University in Las Cruces demonstrated that female figurines from around 25,000 years ago have bodies of all shapes and sizes, not just the exaggerated anatomical features of the famous «Venuses» (Archaeology, Ethnology and Anthropology of Eurasia, vol 41, in press).
Because most species of tarantula in the United States are very similar in appearance and can not be distinguished from each other using anatomical features alone, the research team implemented a modern and «integrative» approach to taxonomy by employing anatomical, behavioural, distributional, and genetic data.
The two new animals have already helped to fill important gaps in the evolution of the key anatomical features of dinosaurs.
These maps, they say, will show everything from relative sizes of anatomical features to differences in brains associated with age, race, gender, educational background, genetic composition, and other distinguishing characteristics.
«While all of the anatomical details in the Misliya fossil are fully consistent with modern humans, some features are also found in Neandertals and other human groups,» said Quam, associate professor of anthropology at Binghamton.
The study, published in the journal Current Biology, shows that the familiar anatomical features of birds — such as feathers, wings and wishbones — all first evolved piecemeal in their dinosaur ancestors over tens of millions of years.
The new analysis does not yet unseat the hippo as cetaceans» kissing cousin, because it only takes into account anatomical features, not molecular ones, says Maureen O'Leary, a professor in the department of anatomical sciences at Stony Brook University on Long Island, N.Y..
Too many species While tarantulas can vary greatly in size — from a leg span measuring about 6 inches (15 centimeters) long to tiny individuals able to fit comfortably on the face of a U.S. quarter — tarantula species generally don't vary much in their anatomical features.
The ancient toddler shows key anatomical features of A. afarensis, including a shoulder blade midway in shape between that of a human and a gorilla, along with features rarely seen, like a full set of both baby and adult teeth.
This proximity in time, and anatomical features that appear to foreshadow those of early humans, have made Lucy's species the main contender as a direct ancestor of Homo.
Williams, Kay and Kirk also collaborated on a related article about to be published in the Proceedings of the National Academy of Sciences that reviews the early fossil record and anatomical features of anthropoids — the primate group that includes monkeys, apes, and humans.
Authors David Lordkipanidze, Marcia S. Ponce de León, Ann Margvelashvili, Yoel Rak, G. Philip Rightmire, Abesalom Vekua and Christoph P. E. Zollikofer say significant anatomical features of this skull can be found in earlier fossils assigned to the genus Homo, such as H. habilis, H ergaster and H. rudolfensis, and argue all comprise a single species within the genus Homo, with less variation among them than can be found within contemporary Homo sapiens.
A: Schematic overview of anatomical features according to cresylviolet staining (shown in B, C and D) and tracing patterns in the thalamus.
Previous theories attribute South America as the origin of marsupials, but anatomical features of the Didelphodon point to marsupials originating in North America 10 — 20 million years earlier than originally thought, and later dispersing and diversifying in South America.
That old principle of squash and stretch, preached by Walt's Nine Old Men, is very much on display, especially in Arlo, who despite embodying some real anatomical features (like injured knees that won't properly bend) operates a bit more like TV's «Denver the Last Dinosaur» than The Land Before Time's Littlefoot.
Dr. John Angus, a resident in veterinary dermatology at the University of Illinois Veterinary Teaching Hospital in Urbana, says, «This abrupt angle in the ear canal is a normal anatomical feature that makes cleaning difficult and can help trap debris and wax inside the ear.»
Kydon hotel in Chania, Crete, provides guests with well appointed, contemporary rooms and suites, featuring high - tech facilities, such as LED TV with Playstation and DVD player, free wi - fi, and comfort amenities, including anatomical mattresses and pillows.
His paintings started featuring anatomical drawings at various depths of the human form: outer skin and hair in one rendering, subcutaneous musculature in the next, skeleton in another.
There was a «visible» woman anatomical display which also featured cut away models depicting the stages of fetal development culminating in birth.
However, the witness's factual narrative of the actions he took and the observations he made, including describing without interpretation, the anatomical features he observed in the x-rays does not amount to offering an opinion and does not offend the Rule.
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