Biological entity that is either an individual member of a biological species or constitutes the structural organization of an individual member of a biological species.
written by: Haendel, M. A., F. Neuhaus, D. Osumi-Sutherland, P. M. Mabee, J. L. V. Mejino, C. J. Mungall, and B. Smith. 2008. CARO - the Common Anatomy Reference Ontology. Pp. 311-333 in: Anatomy Ontologies for Bioinformatics: Principles and Practice (Burger, A., Davidson, D., Baldock, A., Eds.). Springer,New York. 356 pp.