Dictionary » G » Geographical zone

Geographical zone

Any of the regions of the surface of the earth loosely divided according to latitude or longitude.


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Ligers and Tigons oh my!

... of Hybrids Hybrids like ligers[1] and tigons[2] that live in hybrid zones are less fit, but act as safeguards from extinction of pure species ... distribution of genetic variation (Critchfield 110). Speciation is a geographical mechanism that exists due to an alteration in environment (Rosenzweig ...

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by Inuyasha
Tue May 10, 2005 9:55 pm
 
Forum: Zoology Discussion
Topic: Ligers and Tigons oh my!
Replies: 111
Views: 157796

Global Crayfish Distribution and Interspecific Competition

... feel free to relocate this post at your discretion; with its zoogeographical focus, it could just as aptly lie within the "Evolution" forum.] ... area occupied by the fluviatile crabs is very nearly the same as that zone of the earth's surface from which crayfish are excluded, or in which ...

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by Shagreen
Fri Mar 25, 2005 12:56 am
 
Forum: Zoology Discussion
Topic: Global Crayfish Distribution and Interspecific Competition
Replies: 4
Views: 16822


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