- Taxis = arrangement and nomos = law
- Taxonomy is the study of principles and procedures of classification
- In other words forming the rules for classification known as taxonomy
- This word was proposed A. P. de. Candolle in his book “Theories elementaire de la botanique” (Theory of elementary botany)
Taxonomy includes study of:
- Identification:An organism is recognized and assigned to a particular taxonomic group.
- Nomenclature:Organism is named according to international scientific rules.
- Classification: Organism is grouped into convenient categories on the basis of some easily observable characters.
- Systematics:
- Term “Systematics“ was proposed by Linnaeus.
- It is derived from the Latin word “systema” which means systematic arrangement of organisms.
- It includes description of external morphological characters of plants or living organisms.
- New systematics:
- Also known as Neo systematics or Biosystematics.
- Its Name was given by Julian Huxley (1940).
- •Includes description of all external and internal structures, along with the structure of cell, development process & ecological information of organisms.
- New systematics is used to know: ?
- New systematics is used to know the inter relationship among living organism.
- New systematics is mainly based on: ?
- It is mainly based on evolutionary as well as genetic relationship as compared to morphological characters.
