Respuesta :
Answer: Continuing input of energy and matter must cycle, there must be producers and decomposers at the very least. The decomposers convert "dead" or "discarded" material so that it can be reabsorbed by the producers.
Answer: Continuing input of energy and matter must cycle, there must be producers and decomposers at the very least. The decomposers convert "dead" or "discarded" material so that it can be reabsorbed by the producers.