Choose your answer: Is "Traditional morphology-based or appearance-based systematics have usually given the Hexapoda the rank of superclass,:180 and identified four groups within it: insects (Ectognatha), springtails (Collembola), Protura, and Diplura, the latter three being grouped together as the Entognatha on the basis of internalized mouth parts." a good answer to the question "How many groups are defined in the superclass?"
Available options: (I). yes (II). no
(I).