speciation(redirected from Species barrier)
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The formation of new biological species through the process of evolution.
(Biology) the evolutionary development of a biological species, as by geographical isolation of a group of individuals from the main stock
[C20: from species + -ation]
spe•ci•a•tion(ˌspi ʃiˈeɪ ʃən, -siˈeɪ-)
the formation of new species as a result of geographic, physiological, anatomical, or behavioral factors that prevent previously interbreeding populations from breeding with each other.
The formation of new biological species by the development or branching of one species into two or more genetically distinct ones. According to the theory of evolution, all life on Earth has resulted from the speciation of earlier organisms.
the formation of new species.See also: Biology