Speciation is a two-part process..
1. Identical populations must diverge
2. Reproductive isolation must evolve to maintain these differences
Allopatric speciation
The differentiation of geographically isolated populations into distinct species
Sympatric speciation
The differentiation of populations within a common geographical area into distinct species
Link to Lecture Slides: [ Ссылка ]
*Due to the description character limit the full work cited for "Biological Species Concept" can be viewed at... [ Ссылка ]
