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 group of plants, animals, and other living things that live in the same surroundings. An ecosystem also includes nonliving materialsfor example, water, rocks, soil, and sand. A swamp, a prairie, an ocean, and a forest are examples of ecosystems.