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Zorluk: OrtaTaxonomy and Classification

Under the Linnaean system of binomial nomenclature, each organism is designated by a two-part scientific name consisting of its genus and species. Based on these taxonomic classification rules, which of the following pairs of organisms shares the closest biological relationship?

  1. A
    Quercus alba and Betula alba
  2. Quercus alba and Quercus rubraCevap
  3. C
    Acer rubrum and Quercus rubra
  4. D
    Pinus strobus and Fraxinus americana

Cevap

Quercus alba and Quercus rubra share the same genus, demonstrating the closest taxonomic relationship.
In binomial nomenclature, the first name represents the genus, which is a specific group of closely related species. Because organisms sharing the same genus also share family, order, class, phylum, kingdom, and domain, the pair sharing the genus Quercus is the most closely related.

Adım Adım Çözüm

1
Identify the two components of standard binomial nomenclature.
The first word is the genus (broader taxonomic group), and the second word is the specific epithet (identifies the individual species).
Taxonomic relatedness is determined by shared hierarchical ranks, where genus is the lowest shared rank before species.
2
Compare the shared taxonomic levels of the provided organism pairs.
Organisms sharing a genus share every category above it (family, order, class, phylum, kingdom, domain). Sharing only a species epithet is merely a shared descriptive adjective across unrelated genera.
Linnaean hierarchy places genus immediately above species in specificity.
3
Select the pair that shares the genus classification.
Quercus alba and Quercus rubra both belong to the genus Quercus.
A shared genus confirms a direct evolutionary and taxonomic connection.

Anahtar Kavram

Linnaean Binomial Nomenclature and Hierarchy of Shared Taxa
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Konular

Taxonomy and Classification

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