http://www.biologie.uni-hamburg.de/b-online/e54/54c.htm The Flow of Energy in Ecosystems – Productivity, Food Chain, and Trophic Level As was explained in the last subchapter, the flow of energy is an essential feature of…
http://www.econguru.com/fundamentals_of_ecology/ecosystems.html Ecosystems An ecosystem extends a community by involving also the abiotic environment, that is, the physical and chemical environment. Energy flow and nutrient cycling(cycling of chemicals) are significant aspects…
http://www.biologydiscussion.com/ecosystem/energy-flow-in-an-ecosystem-with-diagram/6740 Energy has been defined as the capacity to do work. Energy exists in two forms potential and kinetic. Potential energy is the energy at rest {i.e., stored energy) capable…