Cells close cellCells provide energy which enables electrons to flow through wires and components ... devices such as a calculator. This circuit diagram shows the same circuit, but uses circuit ...

Energy flow diagrams often depict secondary production as the flow leaving one trophic level and entering (being ingested by) the next. Many ecologists, however, have demonstrated that secondary ...

Each food chain is a descriptive diagram including a series of arrows, each pointing from one species to another, representing the flow of food energy from one feeding group of organisms to another.