The phrase "natural process" refers to events that happen without human intervention or control. There are several synonyms for this term, including biological process, ecological process, and organic process. The term environmental process is also used to describe natural processes that occur in the earth's atmosphere, water bodies, and soil. The terms physical and chemical processes describe the non-living components of natural systems, such as weathering, erosion, and nutrient cycling. Understanding the synonyms for natural processes is important when studying ecology, environmental science, and biology, as they help us explain how ecosystems function and how they are affected by human actions.