Ecosystem refers to the unified whole composed of biological community and inorganic environment. The scope of ecosystem can be large or small, intertwined with each other, and the largest ecosystem is the biosphere. Ecosystem is an open system. In order to maintain its own stability, ecosystem needs to input energy continuously, otherwise it will be in danger of collapse.
Which of the following can constitute an ecosystem?
Sunlight, soil, all kinds of plants and animals in farmland