Quiz: What role do giant sequoias play in the ecosystem of Sequoia September 2, 2025 by Orion Vale What role do giant sequoias play in the ecosystem of Sequoia National Park? Discover more about Sequoia National Park Tours at our home page. A) They provide habitat for various wildlife species. B) They absorb all water in the region, preventing flooding. C) They are the primary food source for all park animals. D) They create soil devoid of nutrients, hindering plant growth. Submit Answer