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.