primary intergradation
From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 23:31, 13 September 2013 by Andreas Plank (Talk | contribs) (1 revision: import_definition-left-simple)
zone between two phenotypically different populations, developed in situ as a result of selection.
primary intergradation: An intermediate
See also: secondary intergradation