Of those listed below, which is the widest (most broad) taxonomic category?

Name: Of those listed below, which is the widest (most broad) taxonomic category?
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Question

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Phylum is the most broad taxonomic category as it includes a group of related classes. In contrast, a family is a group of related genera, an order is a group of related families, and a species is the narrowest taxonomic category and includes individual organisms that share common characteristics.

Of Those Listed Below, Which Is the Widest (Most Broad)