Across
- 2. ecological community of living things
- 3. the set of rules for written language
- 4. the written account of somebody's life
- 6. medicine that destroys bacteria
- 9. the earth's surface, atmosphere, sea & living things
- 11. the study of the heart and its functions
- 13. pertaining to life
- 14. the study of handwriting
- 15. removal of a sample of tissue
Down
- 1. study of life
- 5. account of one's life written by that person
- 7. the writing made by a heart monitor
- 8. lively, animated
- 10. a person that studies living things
- 12. the branch of biology dealing with animals