is a minor or major contributor to speciation is the subject of much ongoing discussion. Rapid sympatric speciation can take place through polyploidy,...

Hybrid speciation is a form of speciation where hybridization between two different species leads to a new species, reproductively isolated from the parent...

Allopatric speciation (from Ancient Greek ἄλλος (állos) 'other', and πατρίς (patrís) 'fatherland') – also referred to as geographic speciation, vicariant...

Peripatric speciation is a mode of speciation in which a new species is formed from an isolated peripheral population.: 105  Since peripatric speciation resembles...

recent speciation in plants", New Phytologist, 161: 71–82, doi:10.1046/j.1469-8137.2003.00922.x Hvala, John A.; Wood, Troy E. (2012). Speciation: Introduction...

Poulton in 1904, who explains the derivation. Sympatric speciation is one of three traditional geographic modes of speciation. Allopatric speciation is the...

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

populations of species into sets of new species (speciation). Speciation has been observed in the lab and in nature. Multiple forms of such have been described...

means of speciation in plants, since polyploidy (having more than two copies of each chromosome) is tolerated in plants more readily than in animals....

concept in a 1962 paper where he coined the term "Catastrophic Speciation" to describe this mode of speciation, since he theorized that the reductions in population...

"stepping-stone" (discrete populations), and stasipatric speciation in concordance with most of the parapatric speciation literature.: 111  Henceforth, the models are...

results in genetic divergence. Sympatric speciation may, but need not, arise through secondary contact, which refers to speciation or divergence in allopatry...

In biology, parallel speciation is a type of speciation where there is repeated evolution of reproductively isolating traits via the same mechanisms occurring...

PB, Rieseberg LH (August 2009). "The frequency of polyploid speciation in vascular plants". Proc. Natl. Acad. Sci. U.S.A. 106 (33): 13875–9. Bibcode:2009PNAS...

are four primary geographic modes of speciation. The most common in animals is allopatric speciation, which occurs in populations initially isolated geographically...

evolutionary synthesis in the early part of that century. Since then, research on speciation has expanded immensely. The language of speciation has grown more...

process of speciation. This process of speciation influenced by natural selection is reinforcement, and can happen under any mode of speciation: 355  (e...

(1989). "The meaning of species and speciation: A genetic perspective". In Otte, D.; Endler, J. A. (eds.). Speciation and its Consequences. Sinauer Associates...

overlap (sympatric speciation) or are separate (allopatric speciation). Pre-zygotic isolation mechanisms are the most economic in terms of the natural...

hybridization and polyploidy in speciation and plant evolution; his work in this area has had a lasting influence on research in the field. From 1960, Stebbins...

isolation. Hybridization may be important in speciation in some plant groups. However, homoploid hybrid speciation (not increasing the number of sets of chromosomes)...

Hegarty, Matthew J.; Hiscock, Simon J. (February 2005). "Hybrid speciation in plants: new insights from molecular studies". New Phytologist. 165 (2):...

diverse group of plants that produce seeds. Their seeds differ from those of gymnosperms in that they are enclosed within a fruit. These plants display a wide...

thus promoting Cochranea speciation. Elevation differences would have also acted as barriers that helped promote speciation in Tournefortia species as...

leading to speciation. Divergent evolution is typically exhibited when two populations become separated by a geographic barrier (such as in allopatric...

Allochronic speciation (also known as allochronic isolation, or temporal isolation) is a form of speciation (specifically ecological speciation) arising...

lead to speciation after a long time. This is called allopatric speciation and is generally a slow process. On the contrary, sympatric speciation can be...

fitness advantages of trait values in their corresponding environments. Rapid speciation: presence of one or more bursts in the emergence of new species around...

whether sympatric speciation actually exists. Artificial speciation is when scientists purposefully cause new species to emerge to use in laboratory procedures...

sequences is similarly defined in terms of shared ancestry. Two segments of DNA can have shared ancestry because of either a speciation event (orthologs) or a...