Quiz: How does the geothermal activity in Yellowstone National Par July 30, 2025 by Mira Thorne How does the geothermal activity in Yellowstone National Park affect the surrounding ecosystem? Discover more about Yellow Stone National Park at our home page. A) It creates a unique environment for thermophilic bacteria B) It increases the average temperature of the park C) It causes frequent forest fires D) It attracts exotic animal species not found elsewhere in North America Submit Answer