From an evolutionary perspective, which approach to taxonomy is least useful?

Question

Quizplus · Accepted Answer

Phenetics, which focuses on overall similarity between organisms, is not as useful from an evolutionary perspective as other approaches. This is because overall similarity between organisms does not necessarily reflect their true evolutionary relationships or history. Cladistics, phylogeny, and systematics are all more useful approaches as they take into account shared ancestry and evolutionary relationships.

From an Evolutionary Perspective, Which Approach to Taxonomy Is Least