The atmosphere is the layer of air that stretches above the lithosphere. The Earth’s water on the surface, in the ground, and in the air makes up the hydrosphere. Since life exists on the ground, in the air, and in the water, the biosphere overlaps all these spheres. Humans stand at the top of the ecological pyramid. He is an omnivore, a tertiary consumer, consuming both plants and animals. Due to the estimated world population of 7 214 897 203, the growth in human population has had devastating consequences. This includes industrialisation, clearing the natural vegetation, burring fossil fuels, hunting and introduction of new predators. This has become a problem on the political agenda of Australian cities as they recognise that the growth
