For many products -- TVs and the iPod, for example -- the leap to color displays represented an evolutionary change.
He had long assumed them to be an incremental and selective evolutionary change that began with agriculture and the consumption of grains.
As a result, we try to ring out the risk by looking for an evolutionary change model that skips over the regressive stage.
This finding is in line with modern thinking that a lot of evolutionary change is connected with regulatory elements rather than actual protein structure.
Prof Benton added that evolutionary change added an additional pressure to population management schemes, namely that it was much more difficult to reverse than ecological change.
Cloud is also driving evolutionary change in its components, like server microvisors for stronger security, low cost Flash storage for large data sets and energy-saving chips.
"Lamarch" he wrote "first did the eminent service of arousing attention to the probability of evolutionary change being the result of law, and not of miraculous, or divine, intervention".
Mr Clegg said he wanted guarantees that there would not be "back-door privatisation" of the NHS, and the Lib Dems would not allow the bill to be passed "unless I personally am satisfied that what these changes do is an evolutionary change, not a disruptive revolution".
It is based on a piece of evolutionary theory called the founder effect, which shows how the isolation of small populations from larger ones can accelerate evolutionary change, because a small population's average characteristics are likely to differ from those of the larger group from which it is drawn.
At the provider level change will be more evolutionary but steady.
Besides the evolutionary odds against such a drastic change happening, a big alteration in the shape of its active site might well render an enzyme and thus the virus ineffective.
Generally they oppose change, whether revolutionary or evolutionary, and are deeply suspicious of new calls upon our human potential.
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Scornful of the old ways of doing business, drunk on their own rhetoric, backers of outfits such as Zethus persuaded many that the pace of change in business had gone from evolutionary to revolutionary.
It has also been a period of enormous cultural change, and that, too, creates evolutionary pressures.
In the absence of a mechanism for peaceful change, as a general rule, change in authoritarian regimes is revolutionary rather than evolutionary.
Prof Benton said that the findings also showed that people involved in population management schemes, such as conserving endangered species etc, would have to take into account evolutionary factors, as well as ecological ones, as the result of environmental change.
The researchers believe the evolutionary pay-off is increased genetic diversity, allowing some of the cubs to more readily adapt to change.
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