Spec 1BI0
Revise Edexcel GCSE Biology 9.2.5 Biological factors affecting food security with the question bank, lessons, revision guides, and flashcards.
Describe the biological factors affecting levels of food security, including: a increasing human population • b increasing animal farming and the increased meat and fish consumption • c the impact of new pests and pathogens • d environmental change caused by human activity • e sustainability issues, e.g. use of land for biofuel production and the cost of agricultural inputs
