In addition to naming species, Linnaeus also grouped species into a hierarchy of increasingly inclusive categories. The largest category that would include closely related species is

Question

Quizplus · Accepted Answer

The largest category that would include closely related species is the domain, which includes all life forms. The other options (genus, class, and order) are all more specific categories that fall within the domain hierarchy.

In Addition to Naming Species, Linnaeus Also Grouped Species into a Hierarchy