You seem to be using an older version of Internet Explorer. This site requires Internet Explorer 8 or higher. Update your browser here today to fully enjoy all the marvels of this site.
In this program we explore the dynamic relationship between plants and animals in a shared ecosystem. This presenter-led, nature documentary style program clearly explains why all living organisms need energy, and how they obtain their food and energy requirements.
This excerpt comes from the Food Chains and Food Webs program.