Questions: All members of the same phylum must also be members of the same kingdom genus species
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Multiple Choice Question
All members of the same phylum must also be members of the same $\qquad$
kingdom
genus
species
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Solution
The answer is the first one: kingdom.
Explanation for each option:
Kingdom: Correct. In biological classification, a phylum is a rank below kingdom and above class. Therefore, all members of the same phylum must belong to the same kingdom.
Genus: Incorrect. A genus is a rank below family and above species. Members of the same phylum can belong to different genera.
Species: Incorrect. A species is the most specific rank in biological classification. Members of the same phylum can belong to many different species.
In summary, all members of the same phylum must also be members of the same kingdom.