Across
- 4. to bring something back after it declined in condition or popularity
- 6. a piece of writing written by a person about his or her own life
- 8. a piece of writing about a person's life written by someone else
- 9. full of life; fun; lively; animated
- 11. the study of the nervous system of living things and how it helps the living things learn and react
- 12. to bring back to life again
- 13. the study of living things
Down
- 1. "as big as life"; brightly colored; daring
- 2. quality or state of being full of life; state of being full of energy
- 3. the removal of living tissue from the body for diagnostic examination
- 5. how two different living organisms live together and depend on each other
- 6. a medicine used to save lives because it destroys harmful bacteria and cures infections
- 7. necessary or essential to life
- 10. a person who studies living things