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Phyletic

phyletic

Denoting the evolution of sequential changes in a line of descent by which one species is transformed into a new species.

Origin: G. Phyletikos, tribal, fr. Phyle, a tribe


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Clade v. Phylum

thanks for the reply! so a clade is the same as a monophyletic group? Or do I have it all mixed up should I have really asked about some other phy- word? What I'm confused about is how a clade relates to what mono- para- and poly phyletic groups are ...

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by naturalgoats
Mon Mar 26, 2012 1:45 am
 
Forum: Evolution
Topic: Clade v. Phylum
Replies: 6
Views: 8624

Re: Theories - Origin of Life

From your supplied link This is how Kellogg introduces his proposal. “Introduction Phyletic change, is best defined as “change with respect to time of characteristics of a species” (Bock, personal communication), is possibly the best documented aspect of evolution ...

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by scottie
Sat Aug 06, 2011 11:29 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907175

Re: Theories - Origin of Life

... distinct species, rather than one species gradually transforming into another. Punctuated equilibrium is commonly contrasted against the theory of phyletic gradualism, which states that evolution generally occurs uniformly and by the steady and gradual transformation of whole lineages (anagenesis). ...

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by scottie
Sat Apr 16, 2011 7:05 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907175

Re: Experimental evidence for evolution

... marked by long periods of evolutionary stability, which is punctuated by rare instances of branching evolution. The theory was contrasted against phyletic gradualism , the popular idea that evolutionary change is marked by a pattern of smooth and continuous change in the fossil record. See there's ...

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by Geokinkladze
Mon Sep 06, 2010 12:01 am
 
Forum: Evolution
Topic: Experimental evidence for evolution
Replies: 103
Views: 177648

Cumulative Active Mutation Theory (Part 1)

Mmmm...I think it actually has more to do with phyletic gradualism. But i don't know much about this (not yet), so you judge yourselves when you see it.

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by TheVirus
Mon Nov 02, 2009 5:12 pm
 
Forum: Genetics
Topic: Cumulative Active Mutation Theory (Part 1)
Replies: 6
Views: 2573


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