Natural causes refer to events or phenomena that occur in the environment without human intervention. These can include processes like volcanic eruptions, earthquakes, and hurricanes, which are driven by the Earth's natural systems. Such events can significantly impact ecosystems and human life, often leading to changes in landscapes and weather patterns. Additionally, natural causes can also encompass biological processes, such as disease outbreaks or animal migrations. These occurrences are part of the natural cycle of life and can influence population dynamics and biodiversity. Understanding natural causes helps scientists predict and manage their effects on the planet.