Taxonomy- the classification of something, especially organisms.
Classify- arrange (a group of people or things) in classes or categories according to shared qualities or characteristics.
Binomial nomenclature- the scientific way to name living things with a two part generic (genus) and specific (species) name.
Kingdom- a country, state, or territory ruled by a king or queen.
Species- a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and denoted by a Latin binomial, e.g. Homo sapiens.
Prokaryote- a microscopic single-celled organism which has neither a distinct nucleus with a membrane nor other specialized organelles, including the bacteria and cyanobacteria.
Eukaryote- an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus. Eukaryotes include all living organisms other than the eubacteria and archaea.
Heterotroph- an organism deriving its nutritional requirements from complex organic substances.
Autotroph- an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
Unicellular- having or consisting of a single cell.
Multicellular- composed of several or many cells.
Hope this helps
