Join a virtual field trip to Australia's Great Barrier Reef, the largest living structure on Earth. This engaging video takes students from the dusty roads of Queensland directly into the underwater world to explore the incredible biodiversity of this marine ecosystem. Through stunning aerial and underwater footage, viewers discover how billions of tiny coral polyps create a habitat visible from space that supports thousands of different species. The video systematically introduces various categories of marine life found on the reef, moving beyond just fish to explore reptiles, mammals, and invertebrates. Key themes include animal classification (identifying specific species of fish, sharks, rays, turtles, and sea snakes), the definition of a coral reef system, and the staggering scale of this natural wonder. This resource is an excellent tool for biology and geography lessons, allowing teachers to vividly illustrate concepts of biodiversity and ecosystem interdependence. It provides concrete examples for animal classification units—differentiating between hard and soft corals, vertebrates and invertebrates—and offers a compelling visual hook for discussions about ocean conservation and Australian geography.