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==Key Stage 3==
===Meaning===
A '''food chain''' is a [[diagram]] used to show the transfer of [[energy]] between [[organism]]s in a [[habitatBiological Community|community]].
{{#ev:youtube|https://youtu.be/CkWjaf4MSyQ}}
To see the answers to the questions in the video, click here: [https://keystagewiki.com/index.php/File:FoodChainAnswers.png]
==Key Stage 4==
===Meaning===
A '''food chain''' is a [[diagram]] used to show the transfer of [[Trophic Level|trophic levelsenergy]] of some between [[organism]]s in a [[Biological Community|community]].{{#ev:youtube|https://www.youtube.com/watch?v=tp6hCzqy7Q8}}
===About Food Chains===