A worksheet aimed at A-Level or high ability GCSE biology students, looking at the different trophic levels found in a typical food chain and the reasons why energy is lost at each level. The worksheet also introduces percentage efficiency calculations when calculating energy loss. Useful as either an introduction at the start of this topic or as a revision activity.
Key words: Energy, trophic levels, food chains, percentage efficiency, respiration, photosynthesis, decomposers, kilojoules
Key words: Energy, trophic levels, food chains, percentage efficiency, respiration, photosynthesis, decomposers, kilojoules
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