| Term | Definition |
| BIOS | life |
| logos | word/study |
| biology | study of life |
| autobiography | written life story of one's self |
| microbe | tiny form of life |
| bionic | life-like |
| antibiotic | medicine that fights living forms which invade the body |
| biodegradable | destruction of organic material by a microorganism |
| biopsy | examination of live tissues taken from the body |
| biosphere | the part of the earth that extends from its crust out into the surrounding atmosphere and contains living organisms. |
| symbiotic | living together in a close relationship that benefits both |
| biomedicine | branch of science that studies the effects of the environment on the human body, especially during space travel |
| sym | together |
| op | sight |
| micro | small |
| anti | against |
| autos | self |