Respuesta :
Answer:
Option C, Cell type, Prokaryotic versus eukaryotic.
Explanation:
The tool used to characterize and divide organism into groups such that each key in the entire diagram represents a small group is a dichotomous key . At every step of the key there lies two options and choosing any one option will lead to elimination of species.
Basic feature are used as a reference of characterization such as type of phylum, species, genus. kingdom etc. on the basis of cell type i.e prokaryotic versus eukaryotic.
Thus, correct answer is option C