Classification

Classification

The process of grouping things based on their similarities

Taxonomy

The scientific study of how living things are classified

Carlous Linnaeus (1707-1778)

developed the binomial system of nomenclature a two part naming system for naming organisms.

binomial nomenclature

A system for giving each organism a two-word scientific name that consists of the genus name followed by the species name

dichotomous key

series of descriptions arranged in pairs that can be used to identify an unknown organism

Cladogram

Diagram that shows the evolutionary relationships among a group of organisms

Eubacteria

true bacteria

Archeabacteria

ancient bacteria; live in extreme conditions

Protista

a kingdom of mostly one-celled eukaryotic organisms that are different from plants, animals, bacteria, and fungi

Fungi

Kingdom composed of heterotrophs; many obtain energy and nutrients from dead organic matter

plant

multicellular eukaryote that produces its own food through photosynthesis

Animalia

kingdom of multicellular eukaryotic heterotrophs whose cells do not have cell walls

Domain

A taxonomic category above the kingdom level. The three domains are Archaea, Bacteria, and Eukarya.

Archaea

One of two prokaryotic domains of life, the other being Bacteria.

Bacteria

Domain of unicellular prokaryotes that have cell walls containing peptidoglycan

Eukarya

Domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals

scientific name

The name given to each species, consisting of its genus and its species label