How are organisms in a South Florida ecosystem interrelated? Objective In this activity, students will: 1. Research an organism and how it interacts with other organisms in a South Florida ecosystem. 2. Share their research with the class. 3. Use the class research to build a food web. 4. Discuss the complexities of energy flow through ecosystems and the consequences of losing any organism from the ecosystem. Background Ecology is the science of relationships that organisms have with each other and to their physical environment. Ecosystems are very complex and our knowledge about them isincomp Duration: 60 Minutes.