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 ?
Emissions Factors & AP 42, Compilation of Air Pollutant Emission Factors (FIRE, SPECIATE, AP42), 2011, USA.
This may explain why this lineage did not rapidly speciate like the other two in the clade.
If, however, larval dispersal between two populations becomes inhibited, the populations may diverge genetically over time, and speciate (evolve into separate species).
Weatherproof and battery-powered, it can speciate and quantify compounds in minutes, significantly reducing test times and costs.
Bush and others (for a review, see Bush 1994), cite both theoretical evidence and empirical evidence that herbivorous insects can speciate via a sympatric host shift.
The aim of this work is to determine total As concentrations and to speciate As species in serum, urine, and dialysate of CAPD patients.
The only way to make it [to Hawaii] was to have your ancestors blown in and then speciate from there," Hoy says.
The present prospective study has been undertaken to speciate Enterococcal isolates from various clinical samples in a tertiary care hospital, to determine their antimicrobial susceptibility pattern and to carry out MIC detection for vancomycin using agar dilution method, enabling important therapeutic decisions to be made depending on these findings.
8 Many clinical laboratories in Malaysia do not speciate the Candida isolated from urine samples unless specifically requested.
The fact that we did not speciate urinary mercury to determine whether methylmercury or inorganic mercury was the main species that increased following DMSA chelation prevented us from determining which species accounted for the increased excretion in fish-eating groups.
The aim of this study was to speciate clinical isolates of Acinetobacter, analyze their resistance patterns, identify the production ESBLs and compare the role of different cephalosporins in detecting ESBL production in the isolates.