| A | B |
|---|
| antibiotic | a medicine used to save lives because it detroys harmful bacteria and cures infection |
| autobiography | a piece of writing written by a person about his or her life |
| biography | a piece of writing about a person's life written by someone else |
| biologist | a person who studies living things |
| biology | the study of living things |
| biopsy | the removal of living tissue from the body for diagnostic examination |
| biosphere | the zone of the planet Earth where there is life (between the deep crust and the lower atmosphere) |
| macrobiotic diet | a diet thought to help people live longer because it focuses on natural foods |
| neurobiology | the study of the nervous system of living things and how it helps the living things learn and react |
| symbiosis | how two different living organisms live together and depend on each other |
