1. Word List: bio = life

2.  A piece of writing about a person’s life written by someone else

3. biography

4.  a medicine used to save lives because it destroys harmful bacteria and cures infection

5. antibiotic

6.  The study of living things

7. biology

8.  A person who studies living things

9. biologist

10.  The removal of living tissue from the body for diagnostic examination

11. biopsy

12.  The zone of planet Earth where there is life (between the deep crust and the lower atmosphere)

13. biosphere

14.  A piece of writing written by a person about his or her own life

15. autobiography

16.  How two different living organisms live things together and depend on each other

17. symbiosis

18.  The study of the nervous system of living things and how it helps the living things learn and react

19. neurobiology

20.  A diet thought to help people live longer because it focuses on natural foods

21. macrobiotic diet