speciation

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spe·ci·a·tion

(spē'shē-ā'shŭn),
The evolutionary process by which diverse species of animals or plants are formed from a common ancestral stock.

speciation

/spe·ci·a·tion/ (spe″se-a´shun) the evolutionary formation of new species.

speciation

(spē′shē-ā′shən, -sē-)
n.
The formation of new biological species through the process of evolution.

spe′ci·ate′ v.
spe′ci·a′tion·al adj.

spe·ci·a·tion

(spē'shē-ā'shŭn)
The evolutionary process by which diverse species of animals or plants are formed from a common ancestral stock.

speciation

the process by which new species are formed. Speciation occurs when gene flow has effectively ceased between populations where it previously existed and is brought about by ISOLATING MECHANISMS.see GEOGRAPHICAL ISOLATION.
References in periodicals archive ?
The evolutionary divergence estimates among the primates viz.
Three human alcohol dehydrogenase subunits: cDNA structure and molecular and evolutionary divergence.
For starters, mice are rodents, separated from humans by some 65 million years of evolutionary divergence from our common ancestor.
This project will study genes underpinning evolutionary divergence at several stages.
They also concluded that evolutionary divergence likely occurred with the amphibians.
In January 2009, a symposium entitled "Northeastern Symposium on Evolutionary Divergence Time" (NSEDT) was held at Rutgers University.
The 10 unique haplotypes in the Midwest and 9 unique polymorphic sites suggest some isolation by distance and an emerging evolutionary divergence.
Results of both phylogenetic tree and multivariate analysis could distinguish three groups of animals, suggesting their deep evolutionary divergence.

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