Across
- 2. Tissue that conducts elaborated sap.
- 7. All the living organisms within an ecosystem.
- 8. Tissue that conducts raw sap.
- 10. Liquid composed of water and mineral salts moving up from the roots.
- 12. Synthesized by living organisms.
- 14. Physical and chemical living environment of an ecosystem.
- 16. Root structure that fixes nitrogen in Fabaceae.
- 17. Long-term association with mutual benefits between two species.
- 18. An organism that makes its own organic matter from mineral matter.
Down
- 1. Zone of cell division and growth in plants.
- 2. Organism at the base of the food chain.
- 3. System formed by the biocenosis and the biotope.
- 4. Liquid rich in sugars moving down from the leaves.
- 5. Foliar structure for gas exchange.
- 6. Organelle of photosynthesis.
- 9. Symbiosis between a root and a fungus.
- 11. Flowering plant whose seeds are enclosed within a fruit.
- 13. Process that transforms light into chemical energy.
- 15. Total mass of living matter in a given area.
- 19. Upper layer of soil resulting from the decomposition of litter.