CAIE IGCSE Biology 20.1.3 Advantages and Disadvantages Questions
Practise evaluating intensive livestock and fish farming through yield, feed, waste, disease and ecosystem effects.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- describe benefits such as higher yield, efficient production, consistent quality and food security
- explain how crowding increases disease or parasite spread and why antibiotics may be used
- explain how feed waste and animal excretion pollute water and can cause eutrophication
- compare feeding people directly on crops with feeding animals first to explain energy loss in food production
CAIE IGCSE Biology 20.1.3 Advantages and Disadvantages Questions question 1
Intensive livestock production can be damaging to natural ecosystems.
Fig. 3.3 shows intensive farming of chickens.
Describe the negative impact on an ecosystem of the intensive production of livestock, such as chickens.
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