Are there any plants or animals that are useful to you in the tundra?

In the tundra, the Arctic willow and mosses are vital plants, providing insulation and food for various animals. Among animals, the Arctic fox and caribou are significant; they help maintain the ecosystem's balance and are also sources of food for indigenous peoples. Additionally, certain lichens serve as a primary food source for reindeer, highlighting the interconnectedness of tundra life. Overall, these plants and animals play crucial roles in survival and ecological stability in this harsh environment.