speciation

(redirected from speciated)
Also found in: Thesaurus, Medical, Encyclopedia.

spe·ci·a·tion

 (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.

speciation

(ˌspiːʃɪˈeɪʃən)
n
(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-)

n.
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.
[1895–1900]

spe·ci·a·tion

(spē′shē-ā′shən)
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.

speciation

the formation of new species.
See also: Biology
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.speciation - the evolution of a biological species
organic evolution, phylogenesis, phylogeny, evolution - (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms
Translations
References in periodicals archive ?
Bats were speciated according to morphology (1,2); trapped bats represented 10 species belonging to 5 genera.
However, these 2 species could have been present and belonged to the colonies of Staphylococcus that were not speciated.
In consultation with a statistician, it was agreed that 200 suspected NTM, which comprised [+ or -]17% of the total number of NTM cultured annually, should be speciated to provide a statistically significant sample.
Further, our data suggest they probably speciated during a period when the cycles were occurring at a higher frequency (approximately every 40,000 years) than later in the Pleistocene (approximately every 100,000 years; Ruddiman et al.
ACA commented that that SCAQMD uses Method 24, Method 303 (Determination of exempt compounds), as well as SCAQMD Method 313 (GC/ MS) to determine specific speciated VOC values.
All enterococcal isolates (n = 1349) were verified, enumerated, speciated and the antibiotic resistance patterns determined.
All our analyses conclusively demonstrated that house dust mites have abandoned a parasitic lifestyle, secondarily becoming free-living, and then speciated in several habitats, including human habitations," University of Michigan biologists Pavel Klimov and Barry O'Connor wrote in a paper published in the journal Systematic Biology on Friday.
0f the 52 total Basmati rice samples, two were not speciated and one had a value of As below the quantitation limit (i.
Today the company confirms its organic-compliant filtration technology reduces speciated arsenic found in organic brown rice syrup to undetectable levels.
Characterisation of selected speciated organic compounds associated with particulate matter in London.