Sentences with phrase «chance variations»

You are using chance variations to come up with increased prior warming and decreased modern warming.
(There's also the possibility of a warming trend caused by some other factor, such as cosmic rays — as with chance variation, unlikely but not impossible).
Darwin's theory of the natural selection of chance variations put an emphasis on the role of chance in determining the order of nature in the living world.
But the fact of the matter is that neo-Darwinism with its role for chance variation better accounts for how evolution operates for the most part.
Drawing on the I2 statistic for the first time for this type of analysis, Dr. Hemilä concluded that nearly all variation in the vitamin E effect on pneumonia risk over five subgroups was explained by true differences in the vitamin E effect rather than by chance variation.
Using neutral theory, species become common or rare as a consequence of random processes: chance variation in who a predator happens to eat, or whose dispersing offspring happen to land on a vacant bit of real estate on the seafloor.
Indeed I argue in several writings that when Darwin spoke of «chance variations» he was more right than he knew and that something like evolution is what a sound theology requires.
The famous «chance variations» of offspring showed Darwin himself paradoxically taking the anti-freedom interpretation.
This analogy gets closer to what is meant by natural selection of chance variations, though it still does not do justice to the full picture of Darwinian evolution.
The basic source of genetic variation in the living world is chance variation of the DNA molecule.
Had it replicated forever with deterministic perfection, that is, without any chance variations, there would have been no evolution.
In all three cases this represented a one - point increase on the equivalent figure in YouGov's previous poll at the end of April — movements that could simply reflect the chance variation to which all polls are subject.
«Non-blind studies more confidently concluded that differences between treatment and control groups were real, and not just due to chance variation
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