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Catagenesis (biology)

From Biocrawler, the free encyclopedia.

Catagenesis refers to forms of evolution that are retrogressive. It is a term used in contrast to anagenesis, which is the evolution of a single population into a new form without branching lines of descent (cladogenesis).

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Basic topics in evolutionary biology
Processes of evolution: macroevolution - microevolution - speciation
Mechanisms: selection - genetic drift - gene flow - mutation
Modes: anagenesis - catagenesis - cladogenesis
History: Charles Darwin - The Origin of Species - modern evolutionary synthesis
Subfields: population genetics - ecological genetics - human evolution - molecular evolution - phylogenetics - systematics - evo-devo
List of evolutionary biology topics | Timeline of evolution
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Wikipedia (http://en.wikipedia.org/wiki/Main_Page) Catagenesis_(biology) (http://en.wikipedia.org/wiki/Catagenesis_(biology)) version history (http://en.wikipedia.org/w/index.php?title=Catagenesis_(biology)&action=history) GNU Free Documentation Lizenz (http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License) CC-by-sa (http://creativecommons.org/licenses/by-sa/2.5/)
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