Ecosystem Study Guide What should I know? What types of ecosystems have I learned about? (think about the video we watched or the readings in our book about the different ecosystems). What is a living thing? What is a nonliving thing? How can living and nonliving things interact? What is a food chain? Be able to draw and label a food chain (w/ the arrows that say provides energy for…) What is a food web? Be able to draw and label a food chain (w/ 4 to 5 arrows) What does every food chain begin with? What is being passed along every food chain? Know the definitions for and be able to give an example of a: herbivore, carnivore, omnivore, producers, consumers and decomposers.