AQA · Biology · 8461
GCSE Biology: Factors affecting food security
Ecology · AQA GCSE Biology (8461), specification point 4.7.5.1. Cards are generated from the exam board's own specification for "Factors affecting food security", and every card links back to the page it came from. Separate science only. Specification © AQA — used with attribution.
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Define food security.
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Having enough food to feed a population.
Food security is having enough food to feed a ?.
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population
How does an increasing birth rate threaten food security?
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More people must be fed from the same food supply, so there may not be enough food for everyone.
How do changing diets in developed countries threaten food security?
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Scarce food resources are transported around the world to meet demand, leaving less for local populations.
Name a biological threat to farming that reduces food security.
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New pests and pathogens that affect crops and livestock.
Give an example of an environmental change that can cause widespread famine.
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Rains failing, leading to drought and reduced food production.
How can the cost of agricultural inputs threaten food security?
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If fertilisers, seeds, fuel and machinery are too expensive, farmers cannot afford to produce enough food.
How do conflicts threaten food security?
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They reduce the availability of water or food in the affected region.
? methods must be found to feed all people on Earth.
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Sustainable
Which statistics are used to evaluate a country's food security?
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Population statistics and food production statistics.
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