Allopatric speciation or geographic speciation is speciation that occurs when
biological .... Sympatric speciation represents an alternative method of speciation
that does not require physical separ...
Allopatric speciation, the most common form of speciation, occurs when
populations of a species become geographically isolated. When populations
Allopatric speciation may be by subdivision of the species range or by a
peripheral isolate ... Sympatric speciation requires reinforcement to happen;
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 ...
Mar 28, 2012 ... Related to dispersal is peripatric speciation, when the migrated segment ... that
sympatric speciation requires natural selection; allopatry might ...
It also requires an investigation of the differences that characterize species,
genera, .... This is referred to as allopatric (geographic) speciation (see Figure).
Speciation Mechanisms. How does a single species give rise to two or. more
different species? This concept, called. speciation, requires that a single
This concept, called speciation, requires that a single population of. organisms ...
If the barrier is geographic (allopatric speciation), over time the. populations ...
Divergent speciation requires reproductive isolation, which can occur in two
general ... Other geographical barriers that may lead to allopatric speciation
Feb 9, 2005 ... ... subpopulation succeeds. Allopatric vs. peripatric speciation ... Speciation
requires more than simply isolation, however. If two subpopulations ...