The following Web-based ecology activities are a collaborative effort between the Poway Unified School District and The Museum of Television & Radio. Using video clips from the Museum's collection, educator Carla Fantozzi delivers a powerful learning experience for students throughout California via ISDN-based videoconferencing. The materials below have been developed to enhance the videoconference.   As you will see from the materials, this videoconference is a highly valuable telecollaborative experience.  You can obtain the free Adobe Acrobat Reader (PDF) at: www.adobe.com