Explain the correct form used to write the scientific name (genus and Species) for a living thing?

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Explain the correct form used to write the scientific name (genus and Species) for a living thing?
1.As the words "binomial", "binominal" and "binary" all signify, the scientific name of each species is formed by the combination of two words, which are in a modern form of Latin:


the genus name (also called the generic name).


a second word identifying the species within that genus, for which the technical term varies, as follows:


a general term for the word identifying the species is the specific descriptor


in zoology, the word identifying the species is called the specific name


in botany, the word identifying the species is called the specific epithet


2. Species names are usually typeset in italics; for example, Homo sapiens. Generally the binomial should be printed in a typeface (font) different from that used in the normal text; for example, "Several more Homo sapiens were discovered." When handwritten, they should be underlined; for example, Homo sapiens. Each name should be underlined individually.


3.The genus name is always written with an initial capital letter.


4. In current usage, the specific name is never written with an initial capital.


For example, the entire tiger species is Panthera tigris


5. Some older works, on the other hand, would sometimes write the specific name with an initial capital.


6. There are several terms for this two-part species name; these include binomen (plural binomina), binomial, binomial name, binominal, binominal name, and species name.


7. All taxa at ranks above species have a name composed of one word only, a "uninominal name".


8. The first level subdivisions within a species, termed subspecies, are each given a name with three parts: these are the two forming the species name, plus a third part (the subspecific name) which identifies the subspecies within the species. This is called trinomial nomenclature, and is written differently in zoology and botany. For example:


Two of the subspecies of Olive-backed Pipit are Anthus hodgsoni berezowskii and Anthus hodgsoni hodgsoni


The Bengal Tiger is Panthera tigris tigris and the Siberian Tiger Panthera tigris altaica


The tree European Black Elder is Sambucus nigra subsp. nigra and the American Black Elder is Sambucus nigra subsp. canadensis


9. In scholarly texts, the main entry for the binomial is followed by the abbreviated (in botany) or full (in zoology) surname of the scientist who first published the classification. If the species was assigned in the description to a different genus from that to which it is assigned today, the abbreviation or name of the describer and the description date is set in parentheses.


For example: Amaranthus retroflexus L. or Passer domesticus (Linnaeus, 1758) — the latter was originally described as member of the genus Fringilla, hence the parentheses.


10. When used with a common name, the scientific name usually follows in parentheses.


For example, "The house sparrow (Passer domesticus) is decreasing in Europe."


11. The scientific name should generally be written in full. The exception to this is when several species from the same genus are being listed or discussed in the same paper or report; in that case the genus is written in full when it is first used, but may then be abbreviated to an initial (and period) for successive species names; for example, in a list of members of the genus Canis, when not first in the list Canis lupus becomes C. lupus. In rare cases, this abbreviated form has spread to more general use; for example, the bacterium Escherichia coli is often referred to as just E. coli, and Tyrannosaurus rex is perhaps even better known simply as T. rex, these two both often appearing even where they are not part of any list of species of the same genus.


12. The abbreviation "sp." is used when the actual specific name cannot or need not be specified. The abbreviation "spp." (plural) indicates "several species". These are not italicised (or underlined).


For example: "Canis sp.", meaning "one species of the genus Canis".


Easily confused with the foregoing usage is the abbreviation "ssp." (zoology) or "subsp." (botany) indicating an unspecified subspecies (see also trinomen, ternary name); "sspp." or "subspp." indicates "a number of subspecies".


13. The abbreviation "cf." is used when the identification is not confirmed.


For example Corvus cf. splendens indicates "a bird similar to the House Crow but not certainly identified as this species"
Reply:•Write the name of the genus first, and ALWAYS capitalize just the FIRST LETTER of the genus name.


•Write the name or the species next, and NEVER capitalize any part of the species name.


•Either UNDERLINE the genus and species names (separately), OR write both words in ITALICS. For example, the domestic house cat is Felis catus (Yahoo answer box won't let me underline the words or put them in italics as they should be, so just imagine).


•If you know the genus, but you don’t know the species, write the name of the genus capitalized, followed by “sp.” For example, Felis sp. (underlined or in italics) which refers to some kind of cat.


•If you’re writing about several different species of cat, and you’ve already mentioned the name of the genus at the beginning of your essay, you can then abbreviate the genus by just writing the first letter of the genus name capitalized, followed by the full species name not capitalized. For example, you could write F. catus or F. silvestris (again, underlined or in italics).
Reply:Capitalize the first letter of the genus and the rest of the letters are written in lowercase.





Ex. Ascaris lumbricoides - intestinal roundworm


Allium cepa - onion


Clostridium botulinum - canned good bacillus



Reply:Domain


Kingdom


Phylum


Class


Order


Family


Genus


Species