Ecosystem Food Chain and Food Web
Ecosystem Food Chain and Food Web. (n.d.). Ducksters. https://www.ducksters.com/science/ecosystems/food_chain_and_web.php
Every living plant and animal must have energy to survive. Plants rely on soil, water, and the sun for energy. Animals rely on plants as well as other animals for energy. In an ecosystem, plants and animals all rely on each other to live. Scientists sometimes describe this dependence using a food chain or a food web. A food chain describes how different organisms eat each other, starting out with a plant and ending with an animal. When you draw food chains together you end up with a food web. To continue reading, follow the link above.