The GBR’s coral rarely grow lower than 40 meters below sea level since sunlight passes through shallow and clear waters. It has no real soil, being a marine coral ecosystem, but loose carbonate mud covers 135,000 square miles of land. Its biotic factors are animals & plants. It is highly diverse, with 1,500 fish species, hundreds of types of corals, 500 algae species, and many sharks, rays, marine mammals, crustaceans, and echinoderms. Animals like the dugong, butterfly fish, jellyfish, green sea turtle, tiger shark, blue-ringed octopus, krill, cuttlefish, and Crown of Thorns starfish, although of different species, sizes, and niches, all adapt for one of two common goals: to eat or to keep from being eaten.…