MICROTAXONOMY Flashcards
A multilayered science
Taxonomy
Greek: Taxis =
order
Greek: nomos =
law
Taxonomy in french
taxinomie
Taxonomy in English is a concept from _______
A.P de Candolle, 1813
“The theory and practice of delimiting kinds of organisms and of classifying them”
taxonomy according to Simpson (1961)
“Science and art”
taxonomy according to Wilson (1922)
Theory and practice of classifying organism
taxonomy according to ICZN
Steps in taxonomy
- Microtaxonomy
- Macrotaxonomy
Steps in taxonomy (Micro and Macro)
α-taxonomy
β- taxonomy
Ƴ-taxonomy
recognition and description of species & first classification
(alpha) α-taxonomy
classification of species in hierarchical system
(beta) β- taxonomy
understanding the evolutionary factors
(Gamma) Ƴ-taxonomy
ICZN
International Commission on Zoological Nomenclature
How species should be defined in a particular group of organisms gives rise to practical and theoretical problems that are referred to as the species problem
Microtaxonomy
The scientific work of deciding how to define species
Microtaxonomy
the branch of taxonomy that deals with the categorization or grouping of organisms above the species level on a large scale
Macrotaxonomy
The level which deals only the problems related to species
Microtaxonomy
Macro taxonomy: The level which deals with the problems and principles of higher taxa (from subgenus and above)
Macrotaxonomy
Fundamental concepts of taxonomy
Alpha and Omega Taxonomy
Exploratory and Consolidation phase
Alpha taxonomy
Biosystematic and Encyclopaedic phases
Omega taxonomy
concerned with the description
and designation of species
Alpha Taxonomy (Descriptive Taxonomy)
basis of morphological characters
Alpha Taxonomy (Descriptive Taxonomy)