GCSE Biology (AQA)

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Threats to Food Security

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Ecology Food Production

Threats to Food Security

3:31 Food Security Issues
Spec 4.7.5.1
Previous Food Security Next Efficiency of Food Production
  • Biological factors are threatening food security.
  • Increasing birth rates contribute to food insecurity due to a higher population needing more food.
  • 100 years ago, the global population was 2 billion, now it is 7 billion.
  • Changing diets in developed countries lead to scarce food resources being transported globally, affecting local availability and prices.
  • The global transportation of food resources, seeds, and animals introduces new pests and pathogens that impact farming.
  • Global warming causes droughts and flooding, leading to crop failures and famine.
  • Famine is defined as an extreme shortage of food, causing malnutrition and death.
  • Agricultural inputs like genetically engineered crops, irrigation systems, and fertilizers and pesticides are used to increase food yield.
  • Agricultural inputs are costly and unaffordable for many communities.
  • Security conflicts around the world damage infrastructure like roads and water pipes, hindering the transportation and availability of water and food.

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