Across
- 3. A place of many trees, joined under the floor (6)
- 6. What plants and fungi are to each other in these films (8)
- 7. Tiny living things that trade with plants underground (5)
- 9. The crop whose root is filmed in the Cambridge clip (4)
- 11. Tall plants the third film says help each other through the soil (5)
- 13. Plant parts hidden in the ground that fungi join (5)
- 14. Sweet food a plant pays to its fungus (5)
Down
- 1. A liquid the underground links carry to plants and stumps (5)
- 2. Another word the mapping film uses for long fungal cells (7)
- 4. The living ground under our feet, not just dirt (4)
- 5. What is left after a tree is cut; the short film says neighbours can feed it (5)
- 8. A web of links under the soil that moves food and water (7)
- 10. Open land of this plant holds a huge share of the fungal web (5)
- 12. What plants take from air and share below ground (6)