Sentences with phrase «coevolutionary arms»

«The birds counter-evolved against those defenses as evolution favored deeper - beaked crossbills, resulting in a coevolutionary arms race that has driven evolutionary divergence of this unique bird population.»

He and his collaborators present evidence that a coevolutionary arms race has led to genetic differentiation and is causing the evolution of a new species, perhaps over a remarkably short time period.

The South Hills crossbill, potentially a newly discovered species of finch, has evolved over the past 6,000 years with a unique dependence on its food source, the Rocky Mountain lodgepole pine, in a coevolutionary arms race that also changed the tree, according to a genomic study led by Tom Parchman, a biologist at the University of Nevada, Reno.

The same sort of coevolutionary arms race happens in humans and other mammals.

Brodie and his colleagues expanded their research up and down the Pacific Coast in order to track this coevolutionary arms race.

So, we don't see the expected tight coevolutionary arms race.»

«Garter snakes and newts are locked in a coevolutionary arms race where as the newts become more toxic, the snakes become more resistant,» said McGlothlin, who is also affiliated with the Global Change Center at Virginia Tech.