classifications Flashcards
Biodiversity
The variety of plant and animal life in the world or in a particular habitat
Classification
The arrangement of animals and plants in taxonomic groups according to their observed similarities
Taxonomy
The science of naming, defining and classifying groups of biological organisms on the basis of shared characteristics.
Systematics
The study of the diversification of living forms, both past and present, and the relationships among living things through time.
Cladistics
A biological classification system that involves the categorization of organisms based on shared traits.
Nomenclature
A system of names or terms, or the rules for forming these terms in a particular field of arts or sciences.
Binomial Nomenclature
The system of nomenclature in which two terms are used to denote a species of living organism
Hierarchical
An arrangement based on rank.
Taxon
A taxonomic group of any rank, such as a species, family, or class.
Clade
A group of organisms believed to comprise all the evolutionary descendants of a common ancestor.
Kingdom
A taxonomic rank that is composed of smaller groups called phyla (or divisions, in plants).
Phylum
A level of classification or taxonomic rank below kingdom and above class.
Division
A rank equivalent to phylum.
Genus
A taxonomic rank used in the biological classification of living and fossil organisms, as well as viruses
Species
The fundamental category of taxonomic classification, ranking below a genus or subgenus.