Across
- 2. fluid tissue
- 4. study of animal life
- 5. an intelligent guess
- 6. dioxide one of the raw materials of photosynthesis
- 7. Father of Genetics
- 11. most popular tool used in the study of life
- 13. photosynthetic organ of plants
- 14. carbon dioxide
- 15. main source of energy for all organisms
Down
- 1. study of plant life
- 3. process by which plants create food with the help of sunlight.
- 8. study of life
- 9. physical action of taking in oxygen and releasi
- 10. building block of life
- 12. by-product of photosynthesis