Across
- 5. – The study of prehistoric life through fossils.
- 12. – The study of reptiles, lizards and snakes.
- 15. – The study of insects.
- 16. – The study of bacteria.
- 17. – The study of geographical distribution of plants and animals.
- 19. – The study of viruses.
- 20. – The study of structure and function of animal and plant cells.
- 21. – The study of plants.
Down
- 1. – The study of form and structure of plants and animals.
- 2. – The study of gross structure of organs in an organism as revealed by dissection.
- 3. – The science of inheritance of characteristics from parents to offspring
- 4. – The study of origin and descent of organisms.
- 5. – The study of functions and activities of organisms and their parts.
- 6. – The study of birds.
- 7. – The science of naming, grouping and classifying plants and animals.
- 8. – The study of tissues using a microscope.
- 9. – The study of fishes.
- 10. – The study of animals.
- 11. – The study of fungi.
- 13. (Algology) – The study of algae.
- 14. – The study of formation and development of embryos of plants and animals.
- 18. – The study of relationships of organisms with their biotic and abiotic environment.