(n.) The science of life; that branch of knowledge which treats of living matter as distinct from matter which is not living; the study of living tissue. It has to do with the origin, structure, development, function, and distribution of animals and plants.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). biology. Retrieved September 25, 2026, from http://smartdefine.org/biology/definitions/1980420 |
| Chicago | Webster's. 2011. "biology" http://smartdefine.org/biology/definitions/1980420 (accessed September 25, 2026). |
| Harvard | Webster's 2011, biology, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/biology/definitions/1980420>. |
| MLA | Webster's. "biology" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/biology/definitions/1980420> |