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Taxonomy

Definition

noun

(1) The science of finding, describing, classifying, and naming organisms, including the studying of the relationships between taxa and the principles underlying such a classification.

(2) The classification of organisms in a hierarchical system or in taxonomic ranks (e.g. domain, kingdom, phylum or division, class, genus, species) based on shared characteristics or on phylogenetic relationships inferred from the fossil record or established by genetic analysis.


Supplement

For example, organisms are classified into clades (i.e. a taxonomic group of organisms based on homologous features derived from a common ancestor) in phylogenetic taxonomy


Word origin: from Greek taxis, arrangement, order + -nomia, method, from -nomos, law, managing, from nemein, manage.

Related forms: taxonomical (adjective), taxonomically (adverb), taxonomer (noun).
Related terms: chemical taxonomy, numerical taxonomy.


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Herbarium

... I should write. I am a student of biology and chemistry at one of slovak university (Slovakia is in the middle of Europe ;-) ). This term, I have Taxonomy and ecology of plants, and at the end of the term, I will have to give a herbarium with 120 specimens to my lecturer. I would like to have ...

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by michal21
Sat Mar 07, 2015 10:17 pm
 
Forum: Botany Discussion
Topic: Herbarium
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Views: 209

plant u.s.d.a. soil taxonomy preferences

I am hoping someone will know of a resource which lists native wild N. American plants and their U.S.D.A soil taxonomy soil preferences down to the Subgroup or at least Greatgroup level. I have seen a great deal of info on soil taxons which list representative plants, but nothing ...

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by allelopath
Thu Mar 05, 2015 4:17 am
 
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Topic: plant u.s.d.a. soil taxonomy preferences
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Re: Oxygen requirements of eukaryotes

... some of your organisms with their oxygen requirement: http://www.ncbi.nlm.nih.gov/pubmed/21320384, Also, I know of Bergey's manual for bacterial taxonomy, you could check if something similar exists for all of the eukaryotic microbes. Hrushikesh.

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by Hrushikesh
Sat Dec 13, 2014 2:07 am
 
Forum: Microbiology
Topic: Oxygen requirements of eukaryotes
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Human Gamete Compatibility Going Backwards

... and domestic horse differ in chromosome number, yet they are able to produce viable offspring http://en.wikipedia.org/wiki/Przewalski%27s_horse#Taxonomy

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by JackBean
Mon Jan 06, 2014 10:10 am
 
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Topic: Human Gamete Compatibility Going Backwards
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Re: Bacterial Taxonomy

There probably aren't any archaea that you have to worry about. Archaea are rare, and no archaeans are known pathogens. However, if you do happen to be looking at an archaean, it may have hami instead of fimbriae. Hami are similar to fimbriae—both are long projections from the cell that serve a comm...

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by wildfunguy
Tue Dec 03, 2013 12:21 am
 
Forum: Microbiology
Topic: Bacterial Taxonomy
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