The amount of life that can be supported in a particular ecosystem is limited by which of the following?

The amount of life that can be supported in a particular ecosystem is limited by the available energy, water, oxygen, and minerals, and by the ability of ecosystems to recycle the residue of dead organic materials. Human activities and technology can change the flow and reduce the fertility of the land. The number of organisms in an ecosystem can support depends on the resources available and abiotic factors, such as quantity of light and water, range of  temperatures, and soil composition.