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maintenance evolution

maintenance evolution

A Dictionary of Plant Sciences | 1998 | | Copyright

maintenance evolution (stabilizing selection, normalizing selection) The stabilizing influence of natural selection in an environment that changes little in space and time. It occurs in populations that have a normal distribution for variations of a particular phenotypic characteristic; the extremes tend to be eliminated. It tends to inhibit evolutionary innovation, and accounts for the fact that many fossil groups changed very little over long periods of time. See also DIRECTIONAL SELECTION and DISRUPTIVE SELECTION.
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MICHAEL ALLABY. "maintenance evolution." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "maintenance evolution." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O7-maintenanceevolution.html

MICHAEL ALLABY. "maintenance evolution." A Dictionary of Plant Sciences. 1998. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-maintenanceevolution.html

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maintenance evolution

A Dictionary of Ecology | 2004 | | Copyright

maintenance evolution See stabilizing selection.
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MICHAEL ALLABY. "maintenance evolution." A Dictionary of Ecology. 2004. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "maintenance evolution." A Dictionary of Ecology. 2004. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O14-maintenanceevolution.html

MICHAEL ALLABY. "maintenance evolution." A Dictionary of Ecology. 2004. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-maintenanceevolution.html

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maintenance evolution

A Dictionary of Zoology | 1999 | | Copyright

maintenance evolution See STABILIZING SELECTION.
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MICHAEL ALLABY. "maintenance evolution." A Dictionary of Zoology. 1999. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "maintenance evolution." A Dictionary of Zoology. 1999. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O8-maintenanceevolution.html

MICHAEL ALLABY. "maintenance evolution." A Dictionary of Zoology. 1999. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-maintenanceevolution.html

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