The scientific binomial ___________.

Question

The scientific binomial  ___________.

BlackTom AI · Accepted Answer

Binomial nomenclature uses two names — the genus name followed by the species epithet — to uniquely identify each species. This is the core concept underlying the scientific binomial.

1. Relevant knowledge points and concepts
- Binomial nomenclature was formalized by Carl Linnaeus. 
- The two parts are: Genus (capitalized) and species (lowercase); both are italicized when typed (e.g., Homo sapiens) or underlined when handwritten.
- The system is governed by international codes (ICZN, ICBN/ICN) to ensure universal, stable names across languages and regions.

2. Step-by-step reasoning
- The phrase “scientific binomial” literally denotes two names (bi‑nomen). By definition those two names are the genus and the specific epithet (species name).
- Because the binomial comprises genus + species, any option that does not state both parts cannot be correct.
- Evaluate each choice against this definition to select the correct one.

3. Intermediate points (no numerical calculations required)
- Example: In Felis catus, “Felis” = genus and “catus” = species epithet; together they form the binomial name for the domestic cat.
- The binomial is not the common name (“domestic cat”), not a higher taxon like kingdom, and not a local label.

4. Why the correct answer is correct
- “Includes the Genus and species names” exactly matches the formal definition of a scientific binomial: two components that identify the organism at the species level and place it within a genus.

5. Why the other options are incorrect
- “Is the same as the common name”: incorrect because common names vary by language/region and are not standardized.
- “Is the kingdom that the species belongs to”: incorrect because kingdom is a high-level taxon (e.g., Animalia), not a two-part name.
- “Is locally assigned and may be different in different places”: incorrect because scientific binomials are internationally standardized, not local labels.

6. Conclusion
The correct answer is “includes the Genus and species names,” which matches the provided answer.

The scientific binomial ___________.单项选择题

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