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Find out how the passage of energy from one organism to another creates a food chain. This book explores how the need to find and consume food creates an interlinking chain between organisms, from the producers of energy to the consumers. It also looks at what happens when a food chain breaks down and the disastrous consequences this can have for the organisms in the chain. <BR><BR> Includes fieldwork investigations that show how to identify food chains and webs and fascinating fact boxes that offer in-depth information on topics such as echolocation. An activity project shows students at Key Stage 3 how to build their own food web.<BR> <BR>The six books in the Living Processes series look at the processes all living organisms must carry out in order to stay alive. From feeding and drinking through to breathing and reproducing, it explores the differing ways in which organisms carry them out.