PhysOrg Posted May 10, 2018 Share Posted May 10, 2018 Nature is replete with examples of identifiable populations known from different continents, mountain ranges, islands or lowland regions. While, traditionally, many of these have been treated as subspecies of widely-ranging species, recent studies relying on molecular biology have shown that many former "subspecies" have in fact been isolated for millions of years, which is long enough for them to have evolved into separate species. View the full article Link to comment Share on other sites More sharing options...
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