Fact 1: Wolves were reintroduced to Yellowstone National Park in 1995 after being absent for several decades. Fact 2: The reintroduction of wolves led to a decrease in the elk population, which had been overgrazing willow plants. Observation: The recovery of willow plant populations suggests that the presence of natural predators can help stabilize and restore ecosystems. Inference: The rebalance of the ecosystem due to the reintroduction of wolves likely contributed to a healthier biodiversity in Yellowstone National Park.
Elk in Yellowstone National Park were overgrazing the willow plant populations. Wolves were reintroduced and the willow plant populations recovered. In three sentences, state two facts, make an observation, and make an inference.
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