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en.wikipedia.org/wiki/Allopatric_speciation

Allopatric speciation also referred to as geographic speciation, vicariant speciation, or its earlier .... It is more often invoked in sympatric speciation studies , as it requires gene flow between two populations. However, reinforcement may also ...

www.sciencedirect.com/topics/agricultural-and-biological-sciences/allopatric-speciation

Allopatric speciation, also known as geographic speciation, is speciation that occurs when ..... Understanding the origin of primates requires exploration of their  ...

www.sparknotes.com/biology/evolution/speciation/section2.rhtml

Allopatric speciation, the most common form of speciation, occurs when populations of a species become geographically isolated. When populations become ...

futurehumanevolution.com/futurehuman-speciation

Allopatric speciation occurs when a new species evolves in geographic isolation from its .... Sympatric speciation requires reinforcement to happen; parapatric ...

evolution.berkeley.edu/evolibrary/article/evo_44

Allopatry may start the process off, but the evolution of internal (i.e., ... Speciation requires that the two incipient species be unable to produce viable offspring ...

evolution.berkeley.edu/evolibrary/article/evo_43

However, speciation might also happen in a population with no specific extrinsic barrier to gene flow. ... Speciation would probably also require different selective pressures at opposite ends of the range, which would ... Allopatric speciation.

bcs.whfreeman.com/webpub/Ektron/pol1e/Animated%20Tutorials/at1702/at_1702_speciation_mechanism.html

This concept, called speciation, requires that a single population of. organisms ... If the barrier is geographic (allopatric speciation), over time the. populations ...

www.springer.com/cda/content/document/cda_downloaddocument/2301s.swf?SGWID=0-0-45-754393-0

speciation, requires that a single population of ... called allopatric speciation, two populations. become ... Allopatric speciation requires total genetic isolation by.

johnhawks.net/weblog/topics/phylogeny/speciation.html

Feb 9, 2005 ... ... subpopulation succeeds. Allopatric vs. peripatric speciation ... Speciation requires more than simply isolation, however. If two subpopulations ...