(par 3. 3 ) Cycles of Nature
http://www.uen.org/themepark/cycles/nature.shtml Nature’s cycles have to do with how the earth renews itself. The living things within an ecosystem interact with each other and also with their non-living environment to form an ecological unit that is largely self-contained. Sometimes this renewal process is gradual and gentle. Sometimes it is violent and destructive. Nevertheless, ecosystems contain within […]