Across
- 3. the branch of biology
- 6. a system of ideas
- 7. the branch of science that deals with nature
- 8. the study of nature and religious belief
- 9. the study of living organisms
- 10. the study of bacteria
Down
- 1. the system of relationships among speech
- 2. the science dealing with X-rays
- 4. the study of crime and criminals
- 5. the study of movements