Across
- 6. where pollen and egg meet
- 7. one benefits and one is harmed
- 9. less advanced cells
- 10. holds genetic material
- 11. wall structure
- 16. rapid change in fossils
- 17. produces pollen
- 18. movement of water
Down
- 1. the absorption of nutrient
- 2. first layer of protection
- 3. catches pollen
- 4. both benefit
- 5. one is benefited and one is unaffected
- 7. attracts in reproduction
- 8. the find of the same fossils on different continents
- 12. more advanced cells
- 13. protection of pathogens
- 14. where it travels down
- 15. depend on a host cell