In virtual villagers the tree of life what do the fish scales wind pipes and science equipment do when they are completed?

In "Virtual Villagers: The Tree of Life," completing the fish scales, wind pipes, and science equipment tasks contributes to restoring the Tree of Life. The fish scales enhance the villagers' fishing abilities, allowing them to catch more fish. The wind pipes improve the villagers' ability to create and use wind-based energy. Finally, the science equipment aids in advancing the villagers' knowledge and technological capabilities, facilitating further progress in the game.