This video exemplifies the diversity in an aquatic biome, specifically the coral reef. By examining the different trophic levels and how they interact with one another, the complexity of the environment is seen. All of the world's biomes are fragile systems that must be taken care of or will be lost. Certain dangers affect each individual biome, such as ozone destruction. One common danger that affects all the biomes and the world environment, as a whole is something we all know very well: humans.