Across
- 3. The study of birds
- 6. The study of fungi
- 8. The study of heredity and variation
- 9. The study of animals
- 10. The study of relationships between organisms and their environment
Down
- 1. The study of tissues under the microscope
- 2. The study of insects
- 4. The study of cells
- 5. The study of plants
- 7. The study of microorganisms
