The variety of organisms considered at all levels from populations to ecosystems.
The science of describing, naming, and classifying organisms.
Any particular group within a taxonomic system.
The largest category which consist of animals and plants.
Categories above the kingdoms which consist of plants, animals, bacteria, archaea, protists and fungi.
Category below Kingdom.
In a traditional taxonomic system for plants, the category contained with in a kingdom and containing classes.
Category below Phylum.
Category below Class
Category below Order.
Category below Family
Smallest grouping, which contains only a single kind of organism.
A system for giving each organism a two-word scientific name that consists of the genus name followed by the species name.
Variations of a species that live in different geographic areas.
Plural form of Taxon.
Swedish naturalist who devised a system of grouping organisms into hierarchical categories according to their form and structure.