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Difficulty: EasyTaxonomy and Classification

Match each taxonomic rank in the biological classification system to its correct defining feature.

  • DomainThe broadest and most inclusive primary category of biological classification
  • PhylumA major category directly below kingdom that groups organisms sharing fundamental body plans
  • GenusA group of closely related organisms that forms the first part of a scientific name
  • SpeciesThe most specific standard category consisting of organisms capable of interbreeding and producing fertile offspring

Answer

Domain matches the broadest primary category; Phylum matches the category directly below kingdom grouping shared body plans; Genus matches the group forming the first part of a scientific name; Species matches organisms capable of interbreeding to produce fertile offspring.
The Linnaean classification hierarchy orders life by structural and evolutionary relationships: Domain is the highest and broadest rank; Phylum categorizes major body architectures below kingdom; Genus brings together closely related species for scientific naming; Species defines populations capable of interbreeding.

Step-by-Step Solution

1
Identify the broadest and most inclusive level of classification.
Domain is matched with the broadest and most inclusive category of biological classification.
In modern taxonomy, Domain sits at the top of the hierarchy above Kingdom.
2
Identify the rank positioned directly below Kingdom.
Phylum is matched with the major category grouping organisms with shared fundamental body plans.
Following Kingdom, Phylum groups organisms by general anatomical structures.
3
Identify the category that constitutes the first component of binomial nomenclature.
Genus is matched with the group of closely related organisms forming the first word of a scientific name.
In binomial nomenclature, the generic name (Genus) precedes the specific epithet.
4
Identify the most specific biological classification unit.
Species is matched with the group capable of interbreeding and producing fertile offspring.
Species is the narrowest primary rank and defines biological populations that reproduce together.

Key Concept

The Linnaean hierarchy organizes living organisms into nested categories ranging from the most inclusive (Domain) to the most specific (Species).
Estimated Time:45s
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Topics

Taxonomy and Classification

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