Question

Define taxonomy and systematics in brief.​

Answer 1

Answer:

Taxonomy

Taxonomy -- from Greek taxis, meaning arrangement or division, and nomos, meaning law -- is the science of classification according to a predetermined system, with the resulting catalog used to provide a conceptual framework for discussion, analysis or information retrieval.

systematics

Systematics may be defined as the study of the kinds and diversity of organisms and the relationships among them. 

Answer 2

Answer:

Taxonomy

Taxonomy is the science of naming, defining and classifying groups of biological organisms on the basis of shared characteristics.

Systematics

It is the branch of biology that deals with classification and nomenclature.