bio = life

antibiotic (n) a medicine used to save lives because it destroys harmful bacteria and cures infections

autobiography (n) a piece of writing written by a person about his or her own life

biography (n) a piece of writing about a person’s life written by someone else

biologist (n) a person who studies living things

biology (n) the study of living things

biopsy (n) the removal of living tissue from the body for diagnostic examination

biosphere (n) the zone of planet Earth where there is life (between the deep crust and the lower atmosphere)

macrobiotic diet (n) a diet thought to help people live longer because it focuses on natural foods

neurobiology (n) the study of the nervous system of living things and how it helps the living things learn and react

symbiosis (n) how two different living organisms live together and depend on each other