Food chains, food webs and trophic levels

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By the end you’ll be able to

construct and interpret food chains and food webs using the terms producer, consumer, predator, prey and decomposer
identify trophic levels in a food chain and explain the direction of transfer of biomass and energy
explain why only a small proportion of biomass or energy is transferred to the next trophic level, including losses in respiration, movement, waste and uneaten material

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explain how changes to one population in a food web can affect other populations within the community

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