Sentences with «over hundreds of millions of years»
These plates shift over hundreds of millions of years, striking different continental configurations along the way. (eos.org)
Having shown that IGF -1-deficient mice also live longer, Bartke's study suggested not only that these pathways are important in mammals, but that they might have been crucial in controlling life span in a range of creatures evolving over hundreds of millions of years from a common ancestor of worms and mammals, says Miller. (sciencemag.org)
The first is an accumulation of algae and other microorganisms in shallow seas, like those that periodically formed as the continents drifted apart and moved together again over hundreds of millions of years. (discovermagazine.com)