Mechanisms: Reclassification in the 1990s to Focus on Processes Driving Divergence The 1990s saw a reclassification of modes of speciation away from schemes that focus solely on the geographic ...

** I expect you to read: Avise, J.C. 2004. Chapter 7: Speciation and hybridization. In Molecular Markers, Natural History and Evolution (2nd edn.). Chapman and Hall, New York. Having at least briefly ...

But according to a study published this week in Nature, new species can arise arbitrarily and without provocation, challenging the widely held notion that physical isolation and selection are the ...

As long as the individuals in a population have the opportunity to interbreed and combine genes, they remain one species. A population of one species can only evolve into more than one species if ...