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Uniformitarian

uniformitarian

(Science: geology) Of, pertaining to, or designating, the view or doctrine that existing causes, acting in the same manner and with essentially the same intensity as at the present time, are sufficient to account for all geological changes.

(Science: geology) One who accepts uniformitarianism, or the uniformitarian doctrine.


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mtDNA

The "regular" rate of mtDNA point mutations is a uniformitarian assumption - the best someone can do until more data comes in. There is already some indication that it varies among different organisms.

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by Darby
Wed Jan 19, 2011 11:39 pm
 
Forum: Genetics
Topic: mtDNA
Replies: 4
Views: 3043

Re:

Darwin was a uniformitarian, but that hasn't been the prevailing attitude for half a century. What is the prevailing view currently? I'd hate to be left behind. (1) If I understand you correctly you are stating that the Cambrian ...

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by Geokinkladze
Sat Sep 18, 2010 9:16 pm
 
Forum: Evolution
Topic: Evolution of sexual reproduction
Replies: 29
Views: 32485

Re: Evolution of sexual reproduction

... If so, can you provide any data that would show how multi-cellular life emerged, or are you simply echoing another hypothesis? (4) Darwin was a uniformitarian, but that hasn't been the prevailing attitude for half a century Darwin’s theory was based on gradualism. Dawkins, Coyne, Orr, Jones ...

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by jevg
Wed Aug 25, 2010 9:47 pm
 
Forum: Evolution
Topic: Evolution of sexual reproduction
Replies: 29
Views: 32485

Evolution of sexual reproduction

... artifactual. The changes were pretty quick, but following the Snowball Period reradiation, some rapid changes are to be expected. Darwin was a uniformitarian, but that hasn't been the prevailing attitude for half a century.

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by Darby
Tue Aug 24, 2010 9:41 pm
 
Forum: Evolution
Topic: Evolution of sexual reproduction
Replies: 29
Views: 32485

Re: Bird-Dinosaur News

... underwater, these do exist, and geologists can tell them apart from strata layed under terrestrial conditions. It has nothing to do with "uniformitarian assumptions."

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by robsabba
Fri Sep 18, 2009 8:27 pm
 
Forum: Evolution
Topic: Bird-Dinosaur News
Replies: 46
Views: 55926


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