Sentences with phrase «rate of evolution»

The team are now investigating rates of evolution in these mammals, as well as looking at body size more specifically.

They compared the average rate of evolution over the geological stages before the extinction and the geological stages after to see what impact it had.

A rapidly changing climate may put sharks at risk, however, because their slow rate of evolution makes them «a bit slow to respond to acute climate change,» he said.

What they found was that the «more advanced» species had faster overall rates of evolution.

This date is 20 million years younger than suggestions from previous studies which used molecular data from living mammals and assumed a near - constant rate of evolution.

In contrast, rapid environmental change may slow the overall rate of evolution driven by direct interactions within large networks, making each species more vulnerable to extinction.

The question, then, is what intelligence means when cognitive systems evolve into networks, rather than individuals (this has always been the case with a social species like us; it's a question of degree and accelerating rate of evolution of networked cognitive systems).

In fact, «the higher rate of evolution in chimps probably just reflects the fact that each gene in that species has fewer other genes interacting with it than in humans,» says Wu.

«However, because of the notorious imperfection of the ancient fossil record, no - one has been able to accurately measure rates of evolution during this critical interval, often called evolution's Big Bang.

The team found that species with unusually fast rates of evolution in body size are preferentially targeted by fishing.

From measuring the number of character changes over time for each branch, they found the average rate of evolution for early placental mammals both before and after the dinosaur extinction event.

These approaches use a substitution model along with maximum likelihoods or Bayesian inference to allow for varying rates of evolution across lineages and sites [77].

He noted that a reduced rate of evolution was associated with the June 2015 flare - up — meaning that the genetic signature of the virus had not changed significantly over time.

Conservationist Norman Meyers estimates that the earth is now losing one species a day through habitat destruction, which is about four hundred times the natural rate of evolution, and that by the turn of the century we may be driving 130 species into extinction daily (Meyers, 155).

students who were taught evolution or neither evolution nor creationism in high school had significantly higher acceptance rates of evolution than those taught both evolution and creationism or just creationism;

We are now losing species at [a hundred] to a [thousand] times faster then we should be based on the normal geologic rate of evolution in the loss of species; [a] thousand times faster.

Like Wray, the scientists estimated the genes» rate of evolution by comparing their DNA sequences in two different species, a technique calibrated to the date when the two species are known to have diverged.

He went on to explain that while scientists and others must continue to monitor the Ebola outbreak in West Africa to ensure the virus» rate of evolution holds steady, «we don't have to panic because there is no real evidence that things will dramatically change.»

«These seemingly impossibly fast rates of evolution implied by this Cambrian explosion have long been exploited by opponents of evolution.

Like the rate of formation of a star, the subsequent rate of evolution on the main sequence is proportional to the mass of the star; the greater the mass, the more rapid the evolution.

Wu thinks that the rapid rate of evolution of male genes is indicative of the sexual behavior of the species.

We can't keep pace with the humans» rapidly expanding rate of evolution.

A recent report on the current state of blockchains done by McKinsey found more than 60 use cases for blockchains after surveying 200 companies from different industries, and predict that based on the current rate of evolution, blockchain solutions will reach their full potential in the next 5 years.

They found that 11 of the 18 male genes evolved much faster than the average rate of evolution of the non-sexual genes.

These slow rates of evolution are on par with what evolutionary biologists see in other species» traits.

«But it's the sustained high rates of evolution in the feathered maniraptoran dinosaur lineage that led to birds — the second great evolutionary radiation of dinosaurs.»

Sequencing of maternally inherited mitochondrial DNA allowed comparison between the relative rates of evolution, which suggested that the coalescence, or origin, of the human Y chromosome and mitochondria both occurred approximately 120 thousand years ago.

When the team looked at the March 2015 cluster, which had been associated with sexual transmission, they found the same signature — a reduced rate of evolution.

«Darwin's dilemma resolved: Evolution's «big bang» explained by five times faster rates of evolution.»

What they don't appreciate is that this rate of evolution is all that is required to produce the diversity of all living things from a common ancestor.

Majority of species appeared in a very short geological time — The Cambrian explosion occurred 530 billion yrs ago, and the rate of evolution accelerated over 70 - 80 billion years (now I hope we understand that figure)!

While the rate differed between species, we see a clear and massive spike in the rates of evolution straight after the dinosaurs become extinct, suggesting our ancestors greatly benefitted from the demise of the dinosaurs.

So the rate of evolution has actually increased, like the expansion of the universe.

«Insertion of some transposable elements can affect the expression and function of protein - coding genes, so the cessation of mobile DNA activity may have slowed the rate of evolution of both genome structure and gene function.»

Luck came in the form of the climate shifts that served to accelerate the rate of evolution and the adaptation of beneficial traits among certain of our archaic forebears.

Because the rate of evolution — and, thus, the amount of variation — is not constant, a screening step is necessary to discover regions of the genome with sufficient variability between individuals of the target species.

When the team compared the traits between generations within each of the more than 900 family trees, they could estimate the traits» rate of evolution and forecast 10 generations into the future.

Wang invented a novel statistical method that was able to take advantage of new kinds of data from the fossil record, which reached the conclusion that early birds had a high rate of evolution.

Tremblaya and its counterparts have shed many of the genes involved in DNA repair, further accelerating their rates of evolution.

One obvious explanation for a faster rate of evolution is the anole lizards» faster rate of reproduction.

Janet Sinsheimer from the biostatistics department used phylogenetic methods to determine the rate of evolution of HIV.

Moreover, Harpending knew two geneticists — Robert Moyzis of the University of California at Irvine, and Eric Wang of Veracyte Inc. in South San Francisco — who were at the forefront of developing new computational methods for mining this data to estimate the rate of evolution.

If the researchers incorrectly estimated a 200,000 - year - old salamander species to be 2 million years old, then their result was off by a factor of 10, making the salamander's rate of evolution 20,000 times slower than climate change instead of 200,000 times slower.