Word Study
bio-
CIDE DICTIONARY
bio-, pref.
a prefix meaning of or pertaining to life, produced by living things, etc. [PJC]
OXFORD DICTIONARY
bio-, comb. form 1 life (biography).
2 biological (biomathematics).
3 of living beings (biophysics).
2 biological (biomathematics).
3 of living beings (biophysics).
Etymology
Gk bios (course of) human life
For further exploring for "bio-" in Webster Dictionary Online