7th Grade Review Week vit, viv, & bio

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Across
  1. 1. person who lives through a difficult event or experience
  2. 6. a piece of writing about a person's life wrtten by someone else
  3. 9. necessary or essential to life
  4. 10. the zone of planet Earth where there is life
  5. 11. a person who studies living things
  6. 14. the removal of living tissue from the body for diagnostic examination
  7. 16. the study of living things
  8. 17. ability to continue living
  9. 19. tablet of substances that are thought to promote a healthy life
  10. 20. surgery on living animals; research that involves cutting into animals to study organs
Down
  1. 2. quality or state of being full of life; state of being full of energy
  2. 3. a medicine used to save lives because it destroys harmful bacteria
  3. 4. "as big as life"; brightly colored; daring
  4. 5. the study of the nervous system of living things and how it helps the living things learn & react
  5. 7. a piece of writing written by a person about his or her own life
  6. 8. bring something back after it declined in condition or popularity
  7. 12. full of life; lively; animated
  8. 13. a diet thought to help people live longer because it focuses on natural foods
  9. 15. how two different living organisms live together and depend on each other
  10. 18. bring back to life again