Sentences with phrase «separate lineage»

Overall, comparing Vadasaurus's features with those of earlier and later pleurosaurs may provide scientists with insights about how evolution might have progressed among other, totally separate lineages of ancient creatures that also undertook the land - to - sea transition, including ichthyosaurs and mosasaurs, marine reptiles that swam the seas worldwide during large portions of the dinosaur era.

I'm convinced that Neanderthals were a totally separate lineage.

Or did flight evolve independently in separate lineages of early birds?

Hershkovitz considers his find an entirely separate lineage, a new arrival distant in time from the people of Skhul and Qafzeh by 40,000 years or more.

The process of convergent evolution, in which separate lineages develop similar features, appears to account for some of the observed diversity.

Dr Alyssa Bell and Professor Luis Chiappe of the Dinosaur Institute, Natural History Museum of Los Angeles County, publishing in the Journal of Systematic Palaeontology, have undertaken a detailed analysis of their evolution, showing that separate lineages became progressively more adept at diving into water to catch fishes, like modern day loons and grebes.

A new study of some primitive birds from the Cretaceous shows how several separate lineages evolved adaptations for diving.

«Many of these hominids may have been part of some widely distributed group of early humans that were not separate lineages,» he says.

Focusing on the distribution of DNA gains and losses, relationships to important structural features and potential impact on biological processes, we found that in autosomes, DNA gains and losses both followed separate lineage - specific accumulation patterns.

Estimating the total amount of DNA turnover across two separate lineages over a time span of approximately 90 million years is a challenging task [49].

Google's platform also saw two separate Lineage titles — Netmarble's Lineage II: Revolution and NCSOFT's Lineage M — ranked at No. 7 and No. 10, respectively.

On a single stem he had grafted branches from more than 300 separate lineages of mango, a singular accomplishment.

However, the genetic data supports the idea that they are in fact two separate lineages that have been evolving independently for at least a million years.

But even people who accept that Neanderthals belonged to a separate lineage believe that they diverged about 600,000 years ago.

M: There has been a huge controversy over whether the Neanderthals were part of the European origins of humans or whether the Neanderthals were a separate lineage and, indeed, a separate species.

When they included Xiaotingia in the mix, Archaeopteryx was uprooted from the avian family tree and relegated to a separate lineage of dinosaurs.

Sailfin lizards from Sulawesi in Indonesia were originally grouped with the species from New Guinea more than 140 years ago, but the genetic survey suggests that Sulawesi dragons are a separate lineage, the team reports in the January issue of Biological Conservation.

These facial differences have prompted some researchers to argue that Native American tribes may belong to a separate lineage from the early Americans, perhaps the result of multiple migrations, not all from Beringia.

But whatever caused that brush with disaster, the archaic humans bounced back from it, and just a few thousand years later — by 744,000 years ago — they separated into two separate lineages, the Neanderthals and the Denisovans.

They found that dogs and wolves must have split into two separate lineages 27,000 to 40,000 years ago, bringing the DNA and archaeological evidence into line with each other.

Even in distinct and separate lineages, genetic material tends to be far less diverse in purebreeds than it is in mixes.