The mechanisms of reproductive isolation are a collection of evolutionary mechanisms, behaviors and physiological processes critical for speciation. They...

exchange of genetic information between the two populations leading to reproductive isolation. If the two populations come into contact they will be unable to...

typological or morphological species concept. Ernst Mayr emphasised reproductive isolation, but this, like other species concepts, is hard or even impossible...

Ecological speciation is a form of speciation arising from reproductive isolation that occurs due to an ecological factor that reduces or eliminates gene...

allopatric speciation A mode of speciation where the evolution of reproductive isolation is caused by the geographic separation of two or more populations...

the development of reproductive isolation against parental species. Allopolyploid species often have strong intrinsic reproductive barriers due to differences...

exemplifies sympatric speciation. Such speciation may be a product of reproductive isolation – which prevents hybrid offspring from being viable or able to reproduce...

changes in call frequency among sympatric morphs is correlated with reproductive isolation. A further well-studied circumstance of sympatric speciation is...

immediately reproductively isolated from the parent population. New species can also be created through hybridization, followed by reproductive isolation, if...

In parapatric speciation, two subpopulations of a species evolve reproductive isolation from one another while continuing to exchange genes. This mode of...