(1) The lowest taxonomic rank, and the most basic unit or category of biological classification.
(2) An individual belonging to a group of organisms (or the entire group itself) having common characteristics and (usually) are capable of mating with one another.
A species is given a two-part name: the generic name and the specific name (or specific epithet). For example, Allium cepa (commonly known as onion)
Edited by Admin, : Fix message subtitle.