Studied by 4 people
Biodiversity
The number and types of organisms
No. of species
1.7-1.8 million
Taxonomy
Study of identification, classification and nomenclature of organisms.
Systematics
Deals with the evolutionary relationships between organisms
Systema Naturae
Book written by Carl Linnaeus
Basic processes of taxonomy
Characterization
Identification
Classificiation
Nomenclature
Characterization
Understanding the characters of the organism like internal and external structure, structure of cell, ecological information, etc.
Identification
Involves the correct description of the organism so that it can be named.
Classification
Grouping of organisms into convenient categories based on characters.
A group of organisms occupying a particular category.
Taxa
Nomenclature
Standardization of the names of organisms so that they are known by the same name all around the world.
Binomial nomenclature
System of naming with two components
Who proposed binomial nomenclature?
Carl Linnaeus
Botanical names are based on the rules in
International Code for botanical nomenclature (ICBN)
Zoological names are based on the rules in
International Code of Zoological Nomenclature (ICZN)
How are the scientific names written?
In Latin and in Italics.
How are the first and second words arranged in binomial nomenclature?
The first word is the genus (generic) name and the second word is the species (specific epithet) name. Genus name starts with a capital letter and the species name starts with a small letter.
What is the third word in binomial nomenclature?
The author’s name in abbreviated form.
Taxonomic Heirarchy
Kingdom- Phyles/Division- Class- Order- Family- Genus- Species
Kingdom
Plants: Plantae, Animals: Animalia
Phyles/Division
Plants: Angiospermae, Animals: Chordata
Class
Animals: Mammalia, Plants: Dicotyledonae
Order
Plants: Sapindales, Animals: Primata
Family
Animals: Hominidae, Plants: Anacardiaceae
Genus
Animals: Homo, Plants: Magnifera
Species
Animals: Sapiens, Plants: Indica
Define species
A group of closely related organisms capable of interbreeding to produce fertile offsprings.
Most similar
Species
Least similar
Kingdom
Note
Flashcard