Word study activity

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Across
  1. 2. Lively,animated
  2. 6. planet Earth surface,atmosphere,sea,living things
  3. 10. the science or branch of biology dealing with animals
  4. 12. of or pertaining to life
  5. 13. medicine that destroys or works against bacteria
  6. 14. an account of somebody's life written by that person
  7. 15. the science of life
Down
  1. 1. the written account of somebody's
  2. 3. a scientist who studies biology or living things
  3. 4. the removal of a sample from a living tissue
  4. 5. the set of rules for written language
  5. 7. ecological community of living things
  6. 8. the study of the heart and it's functions
  7. 9. the tracing made by a heart monitor
  8. 11. the study of handwriting and what it reveals about a person