bio, vit, viv

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Across
  1. 2. “As big as life”; brightly colored; daring
  2. 4. The removal of living tissue from the body for diagnostic examination
  3. 5. To bring back to life again
  4. 10. A person who studies living things
  5. 12. A tablet of substances that are thought to promote a healthy life
  6. 14. A diet thought to help you live longer because it focuses on natural foods
  7. 15. A piece of writing written by a person about his or her life
  8. 16. How two different organisms live together and depend on each other
  9. 17. The study of living things
  10. 18. To bring something back after it was declined in condition or popularity; to breathe new life into something
Down
  1. 1. The zone of planet earth where there is life (between the deep crust and the lower atmosphere)
  2. 3. Surgery on living animals; medical research that involves cutting into animals to study the organs, parts, or diseases
  3. 6. The study of the nervous system of living things and how it helps the living things learn and react
  4. 7. A person who lives through a difficult event or experience
  5. 8. A piece of writing about a person's life written by someone else
  6. 9. Quality or state of being full of life; state of being full of energy
  7. 11. A medicine used to save lives because it destroys harmful bacteria and cures infections
  8. 13. Full of life; fun; lively; animated
  9. 16. The ability to continue living
  10. 19. Necessary or essential to life