What is the standard term for the two-part designation used in biology to uniquely identify a species, consisting of genus and species?

• A. Common name
• B. Binomial nomenclature
• C. Scientific Name
• D. Taxonomic name

Answer: (C)

The two-part label used to uniquely identify a species is the scientific name. This name comes from the binomial nomenclature system, which gives every species a unique combination of genus and species epithet. The genus is written first and capitalized, the species epithet second and lowercase, and the whole name is usually italicized. So, the scientific name is the actual two-part designation scientists use to refer to a species, while binomial nomenclature is the system that creates that designation. For example, humans are Homo sapiens. Common names aren’t consistent across languages and places, and terms like taxonomic name are less common for everyday usage, making the scientific name the best choice here.