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Taxonomy is a hierarchical system for classifying and identifying organisms. This system was developed by Swedish scientist Carolus Linnaeus in the 18th century.

Linnaeus's taxonomy system has two main features that contribute to its ease of use in naming and grouping organisms. The first is the use of binomial nomenclature and the second is the ordering of species into broad categories.

Binomial nomenclature involves organizing an organism's scientific name into a combination of two terms. These terms are the genus name and the species. Both of these terms are italicized and the genus name is also capitalized.

For example, the scientific name for humans is Homo sapiens. The genus name is Homo and the species is sapiens.

Learn more about taxonomy and binomial nomenclature, visit:


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(2) Phil says:

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December 4, 2008 at 3:21 pm
(4) Percilla says:

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April 6, 2009 at 2:50 pm
(5) hOMOZYGUS TYPE 2 says:


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(6) Robert says:

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(7) Saz_as_si_im says:

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June 28, 2010 at 2:27 am
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(12) no-clue-about-science-person says:

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July 18, 2011 at 1:01 pm
(13) Michael Krutoy says:

This definition contains the same mistake found in most, almost all, definitiona of binomial nomenclature, the two named system of identifying an organism.

In actuality, the first term in a species’ name comes, as stated here, comes from its Genus and is capitalized. The second term is a descriptive term decided upon by the discover of the species.

The species’ name, its binomial name, comes from BOTH of these. Therefore the organism called human is named first from its Genus, Homo, and secondly from a description of the animal, sapiens, meaning wise. Its SPECIES or scientific name is, therefore, Homo sapiens. Since the name is Latinized, it is written in italics.

November 9, 2011 at 3:56 pm
(14) John says:

There may be a problem with your terms. The first part of a species name is that of the genus. the second word is NOT the species. We call it binomial nomenclature because it takes two (bi) words to name a species. So the second word cannot be the species. There are several terms for the second word including “specific epithet”, “specific descriptor” and “specifier”

January 22, 2012 at 2:42 pm
(15) Ndupu Ruth says:

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October 2, 2012 at 10:14 am
(17) saad says:

This iz best and thanku for ur help and increase our knowledge to explain it more

March 18, 2013 at 12:24 pm
(18) kaeden says:

tHis HelPed Me vErY mUcH

March 18, 2013 at 12:35 pm
(19) Ix says:

I have a question ….
Who was the first man to use the binomial nomenclature ?

July 21, 2013 at 8:50 pm
(20) Chet. says:

Wow, you make that sound alot simpler than in my textbook with the extra-long chapter about this. e.-

July 21, 2013 at 8:56 pm
(21) Chet. says:

Missed that part at first, but you got the first and second term messed up. You should look into that, dude. Stay cool and fix your junk!

January 15, 2014 at 10:00 pm
(22) vhenussoliman says:

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