Why do fluctuations in abiotic cycles have an impact on living organisms and on ecosystems as a whole? < < read less

Abiotic cycle determine the survival of biotic components because it plays a major role in recycling of materials for food reservoir and the climatic state of the surrounding. Therefore, when there are fluctuations, the living organisms will suffer from food shortage and climate condition. There will be a change in the ecosystem when roles played by organisms alter the food chain.