Giới thiệu phim：The Centers for Disease Control and Prevention is a part of what agency? The Centers for Disease Control and Prevention is a part of the United States Department of Health and Human Services. What does the Great Barrier Reef highlight in terms of marine biodiversity? The Great Barrier Reef is known for its rich marine biodiversity, housing a wide variety of species including coral, fish, sea turtles, dolphins, and sharks. What are some of the major threats to the Great Barrier Reef? Some of the major threats to the Great Barrier Reef include climate change, coral bleaching, pollution, overfishing, and coastal development.