biology
Pronunciation: /bʌɪˈɒlədʒi/
noun
- the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behaviour, origin, and distribution.
- the plants and animals of a particular area: the biology of the Chesapeake Bay
- the physiology, behaviour, and other qualities of a particular organism or class of organisms: human biology

Origin:
early 19th century: coined in German, via French from Greek bios 'life' + -logy