Answer:
Species x any y belong to the same kingdom
Explanation:
The correct option is C) Species X and species y belong to the same kingdom.
If two organisms are in the same order, they must be in the same class, phylum & kingdom. Even though the cat & the housefly have the same species-group name, they can't be the same species because they are not in the same genus, family, order, etc.
Two species within the same genus have the same family because family is a less specific level of classification than genus.
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