Complex sentence: Geographic speciation corresponds to todays usage of the term allopatric speciation, and in 1869, Moritz Wagner was the first to propose the concept of which he used the term'Seperationstheorie'.
Split into simpler sentences: Geographic speciation corresponds to todays usage of the term allopatric speciation. In 1869, Moritz Wagner was the first to propose the concept of geographic speciation of which he used the term'Seperationstheorie'.