Exercise 1 - Part 1
For questions 1-8, think of the best word to complete each sentence.
Many people view forests as mere collections of trees, but recent research has (1) a highly sophisticated network of underground communication. Trees are capable of sharing resources and warnings through a fungal grid. This symbiotic relationship (2) older trees to nourish younger ones that are struggling for sunlight. Furthermore, when a tree is attacked by pests, it can send chemical signals to alert its neighbors, prompting them to (3) immediate defenses. This hidden system ensures the overall health of the ecosystem. Human interference, however, heavily (4) these delicate connections. Urban expansion and logging can isolate tree clusters, leaving them highly (5) to disease. Conservationists are now working to protect these underground channels. Understanding this complexity shifts our (6) on environmental preservation. We must treat woodlands not as isolated timber resources, but as single organisms that (7) on mutual aid. Only by preserving these networks can we hope to maintain planetary biodiversity, ensuring these natural ancient wonders manage to (8) for future generations.