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speciation
(redirected from Species barrier)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
speciation /spe·ci·a·tion/ (spe″se-a´shun) the evolutionary formation of new species.
spe·ci·a·tion (spsh-shn, -s-)
n.
The evolutionary formation of new biological species, usually by the division of a single species into two or more genetically distinct ones.
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Byline: ANI London, Oct 25 (ANI): Neanderthals had sex with modern humans across the species barrier, claims a leading geneticist.
Modern humans, Neanderthals 'had sex' by Asian News International
It may have leapt the species barrier to humans around a century ago, snowballing into the HIV/AIDS pandemic that has so far claimed tens of millions of lives.
Chimps die from AIDS-like disease after viral infection by AFP / AFP Global Edition
As more animals are raised in industrial-style operations, confining them by the tens of thousands, it is likely that other diseases will emerge and jump the species barrier from animal to humans.
Swine flu is only the beginning by USA Today (Magazine)
 
 
 
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