Sentences with phrase «on anatomical features»

Previous research based on anatomical features hypothesized that butterflies are close relatives of large moths, but the new tree suggests butterflies are more closely related to small (micro) moths, Kawahara said.
Based on the anatomical features of the fossil, Isthminia was either a close relative or ancestor of today's Amazon river dolphin (which probably invaded South America's river systems when sea - level rise expanded those habitats about 6 million years ago), or it was a descendant of an older and as - yet - undiscovered river dolphin that went back to sea.

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.
Based on the structure of Baby Louie's facial bones and other anatomical features, the team declared the dinosaur a new species.
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 bones belong to a new species of pleurosaur whose anatomical features weren't fully adapted to water, but were on the way to enabling an aquatic lifestyle.
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.
Answering this question requires classifying neuronal activity patterns recorded from the brain, based on a number of statistical, dynamical and anatomical features and correlating them with observable behaviours, such as the presence or absence of rapid eye movements.
Although anomalocaridids died out (and thus aren't the direct ancestors of any living arthropod lineage), they likely shared many anatomical features with close relatives living at the time that ended up on the surviving branches of life's family tree, he explains.
Instead of focusing on the pelvic bone, Baron and his team analysed 457 characteristics of 74 species and found that 21 other anatomical features divide the dinosaurs differently.
Taking an ecological approach that considers the influence of anatomical and physiological features of the human host as well as the microorganisms» impact on both healthy and impaired individuals, the author surveys microbial communities that inhabit healthy humans.
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.
The sandal features a single adjustable Birko - Flore strap across the vamp, EVA foot bed, EVA shock absorbing sole unit, slip on design, open toe front, anatomical arch and heel support and the Birkenstock branding embossed on the outer side and buckle.
He is currently working on his first feature film, Anatomical Maps with Battle Plans.
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.
The new GCSE, AS and A level qualifications have been sent to Ofqual for approval, and feature an increased emphasis on the anatomical and psychological factors affecting sporting competition.
This intensive workshop will feature instruction on gesture drawing, anatomical proportions, foreshortening, shading techniques and portraiture using pencil,... Read more»
To draw together our current understanding of wood function, we identify and collate data on the major wood functional traits, including the largest wood density database to date (8412 taxa), mechanical strength measures and anatomical features, as well as clade - specific features such as secondary chemistry.
Alas, the booklet doesn't seem to be generally available, but there are quite a few graphics of pages from it on the Pentagram site, like the one below of the rocket sled, that now features anatomical hand grips and a foot rest, showing that the lawyers have finally gotten through to management.
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