taxonomy

https://doi.org/10.1351/goldbook.15090
Science applied to the allocation of biological names and the rules of naming.
Note: Classification (systematics) is the process of rank ordering of taxa according to presumptive evolutionary (phylogenetic) relationships.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 954 [Terms] [Paper]