| A | B |
| anti | opposite or against |
| bio | life |
| opsis | sight |
| sphaira | round |
| de | remove from |
| vit | life |
| micro | small |
| re | again |
| viv | live or life |
| sym | same |
| antibiotic | A substance that can kill, weaken, or slow the growth of germs |
| biopsy | The removal and study of tissue from a living thing to diagnose illness |
| biosphere | The areas of Earth that can support life |
| devitalize | To weaken or destroy the strength or energy of |
| microbe | A life form so smal it can only be seen with a microscope |
| revive | To bring back to life or health |
| revive | To bring back into use |
| symbiosis | A close relationship between two or more things in which all benefit |
| viable | capable of living and developing |
| viable | workable; effective |
| vitality | health and energy |
| vivid | bright and easily noticed |
| vivid | strong, clear, lifelike |