GCSE Biology (AQA)

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Efficiency of Food Production

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Ecology Food Production

Efficiency of Food Production

2:11 Food Security Issues
Spec 4.7.5.2
Previous Threats to Food Security Next Modern Intensive Farming
  • Biomass loss in food production can be minimized by reducing the number of stages in a food chain.
  • At each stage of a food chain where food is consumed, biomass is transferred and lost.
  • Direct consumption of plants is more efficient as only about 10% of biomass is transferred to the next trophic level.
  • Fewer stages in a food chain result in less biomass loss.
  • Energy is also lost when animals move and maintain their body temperature, which can be minimized by limiting animal movement and controlling environmental temperatures.
  • Restricting animal movement reduces the need for biomass to be used in muscle respiration.
  • Controlling ambient temperature decreases the biomass used for maintaining body temperature.
  • Feeding animals high-protein diets, such as in beef cattle, enhances growth and muscle development, making food production more efficient.

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