Isolating Mechanisms Are Biological Properties Of Individuals

Living In An Entirely Different Physical As Well As Biotic Environment, Such A Population Would Have Unique Opportunities To Enter New Niches And To Select Novel Adaptive Pathways.

Most Scientific Problems Are Far Better Understood By Studying Their History Than Their Logic.

I Had Found Again And Again That The Most Aberrant Population Of A Species - Often Having Reached Species Rank, And Occasionally Classified Even As A Separate Genus - Occurred At A Peripheral Location, Indeed Usually At The Most Isolated Peripheral Location.

Mathematics Is As Little A Science As Grammar Is A Language.

Two Forms Or Species Are Sympatric, If They Occur Together, That Is If Their Areas Of Distribution Overlap Or Coincide. Two Forms (or Species) Are Allapatric, If They Do Not Occur Together, That Is If They Exclude Each Other Geographically. The Term Allopatric Is Primarily Useful In Denoting Geographic Representatives.