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Energy flow - IB style - model answers

1. This diagram represents an Antarctic food web.How is energy lost between the trophic levels?I. Heat loss through cell respirationII. Material not consumedIII. Material not absorbed during digestionA. I and II onlyB. I and III onlyC. II and III onlyD. I, II and IIIThe following food web shows some of the feeding relationships in a lake in Western Africa.

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