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directed speciation

directed speciation

A Dictionary of Ecology | 2004 | | Copyright

directed speciation A speciational trend recognized in plants: the species do not conform to a continuum of adaptive types, but rather to a stepwise succession of distinct species. The evolutionary significance of such a trend is unclear. It may relate to differential survival as opposed to differential speciation along an environmental gradient, i.e. to directional species selection rather than directed speciation.
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MICHAEL ALLABY. "directed speciation." A Dictionary of Ecology. 2004. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

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

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

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directed speciation

A Dictionary of Plant Sciences | 1998 | | Copyright

directed speciation A speciational trend recognized in plants: the species do not conform to a continuum of adaptive types, but rather to a stepwise succession of distinct species. The evolutionary significance of such a trend is unclear. It may relate to differential survival as opposed to differential speciation along an environmental gradient, i.e. to species selection rather than directed speciation.
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MICHAEL ALLABY. "directed speciation." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

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

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

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