Across
- 3. Study of chemicals.
- 4. The study of forms of life through fossils of plant and animal.
- 6. The science that deals with the phenomena and causes of immunity.
- 7. The study of the relationship of an organism to both its biotic and abiotic environment.
Down
- 1. The study of bacteria.
- 2. The study of disease of plants and animals.
- 5. The study of geographical distribution of plant and animal.