Multiple Choice
Which of the six kingdoms absorb nutrients from their surroundings?
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1. Introduction to Biology
Introduction to Taxonomy
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Which of the following species is most closely related to the moth species (species Z)?
A
Species Y, which shares the same genus as species Z
B
Species W, which is in the same order but a different genus as species Z
C
Species X, which belongs to a different family than species Z
D
Species V, which is in a different class than species Z
Verified step by step guidance1
Understand the hierarchical classification system in biology: The taxonomic ranks include domain, kingdom, phylum, class, order, family, genus, and species. Organisms that share a closer rank in this hierarchy are more closely related.
Identify the genus of species Z. The genus is the taxonomic rank directly above species and indicates a very close relationship between organisms.
Compare the genus of species Z with the genus of species Y, W, X, and V. Species Y shares the same genus as species Z, which suggests a closer relationship compared to the other species.
Analyze the taxonomic ranks of the other species: Species W is in the same order but a different genus, Species X belongs to a different family, and Species V is in a different class. These ranks indicate progressively less close relationships to species Z.
Conclude that species Y is most closely related to species Z because they share the same genus, which is the closest taxonomic rank above species.
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