docx, 1.39 MB
docx, 1.39 MB
docx, 1.34 MB
docx, 1.34 MB
A double-sided worksheet (with markscheme).

The worksheet requires students to work out the efficiency of energy transfers at different trophic levels and consider these in a real world context. Questions examine where energy is lost at each stage and also begins to link this to the sustainability of food production.

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