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directed speciation


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  • Plant Sciences and Forestry
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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.

Subjects: Plant Sciences and Forestry — Ecology and Conservation.


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