Food Chains, – TheWorksheets.CoM – Page 2

Food Chains, Food Webs, and Energy Pyramid worksheet - etutorworld

The arrows in a food chain show the flow of energy, from the sun or hydrothermal vent to a top predator. As the energy flows from organism to organism, energy is lost at each step. A network of many food chains is called a food web. Trophic Levels: The trophic level of an organism is the position it holds in a food chain. 1.