Finally, students can take a look at an entire ecosystem by simulating eutrophication and suggesting a lake management plan in the Biology Explorer activity, Maintaining a Balance . Advanced students can test their understanding in the Biology Explorer activity, Design an Ecosystem . Have students define these concepts and explain them in terms of predator-prey and competitive relationships. A food web is a more complex model of the feeding relationships, including many organisms at each trophic level. Sometimes an organism may occupy more than one level simultaneously.
Students can learn more about food webs by studying individual ecosystems.
This is a four-week unit designed for middle school students. This multimedia site emphasizes the fauna and ecological relationships of the Everglades. Students can use the information to construct a food web diagram for the Everglades. Riverdeep Interactive Learning Limited. All rights reserved.