Allopatric Speciation: It's a bit like a character in a movie going off and having adventures that change him so drastically that when he returns, the folks in his hometown no longer recognize the ...

Scientists discover at least 11 examples of sympatric speciation on Lord Howe Island. ... (a process known as allopatric speciation). Geographic barriers prevent reproduction between populations, ...

Inhibitory interactions among sympatric and allopatric isolates. Frequencies of inhibition among sympatric isolates varied significantly among locations, ranging from 10% (10% of possible pairwise ...

Using microsatellite DNA data from Darwin's finches in the Galápagos archipelago, they compare sympatric and allopatric genetic distances in pairs of species and find a striking tendency for a ...

Photos of two queen ants (left, the host species Mycocepurus goeldii and right, the parasitic species Mycocepurus castrator) shown side-by-side represent what may be an example of sympatric ...

The Midas cichlid fish from the crater lakes of Nicaragua are one of the the best known examples for sympatric speciation. They evolved from a source population into a variety of independent ...