Ascites refers to abnormal accumulation fluid in the abdominal (peritoneal) cavity. The most common cause of ascites is cirrhosis of the liver. Treatment of ascites depends on its underlying cause.
Ecosystem. A functional system that includes an ecological community of organisms together with the physical environment, interacting as a unit. Ecosystems are characterized by flow of energy through food webs, production and degradation of organic matter, and transformation and cycling of nutrient elements.
An ecosystem is a natural system consisting of all plants, animals and microorganisms, which function with all the physical factors of the environment. natural ecosystem is a complex community that functions as an  ecological unit in nature. Its two main components are biotic and  abiotic factors, which are living and non â¦ -living things that  interact with each other.