An animated sequence that illustrates and explores food chains. A simple food chain – plant, caterpillar, mouse, owl - is presented as a set of interlocking jigsaw puzzle pieces. An underwater food chain is shown, too. The clip concludes by showing us our own place in a food chain.

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After viewing, you could ask pupils to list all the ingredients of their last meal. How many of these items can they trace back to other links in a food chain? For example, if tracing a meal of chicken and chips, the children would need to consider which vegetables produced the chips, the oil they were fried in and what the likely diet of the chicken might have been. Pupils could draw illustrated diagrams of their food chains, following the model shown in the clip. They could combine their individual chains into a food web – a set of connected diagrams that illustrates the collective diet of the class.