Across
- 6. substrate
- 8. Survive
- 10. Temperate
- 12. Riverbank
- 14. binomialnomenclature
- 15. chlorophyll
- 16. aggregatefrui
- 19. annual
- 20. abscission
- 21. Phylogeny
Down
- 1. tributaries
- 2. Wildlife
- 3. angiosperm
- 4. weather
- 5. Volcano
- 7. alkaloid
- 9. production
- 11. precipitation
- 13. Tide
- 17. Pollute
- 18. swamp