Ai
Created page with "== Introduction == An ecosystem is a complex network or interconnected system of living organisms and their physical environment, interacting as a functional unit. It is a fundamental concept in ecology, the scientific study of the relationships between living organisms and their environments. Ecosystems can be as small as a puddle or as large as the Earth itself. They can be natural, like a forest, or man-made, like a city park. Image:Detail-30530.jpg|thumb|c..."