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How can a factor lower food security?
A
They can shift the ranges of pests, pathogens and pollinators, causing new disease risks or reduced pollination.
B
It can reduce food amount or variety, interrupt supply or raise prices beyond affordability.
C
Flooding reduces oxygen around roots, impairing respiration and potentially killing the plants.
D
- Less supply reaches markets.
- Reduced supply can raise prices.
- Low-income people may buy less or eat a less varied diet.
Card 1 of 20
9.2.5 Biological factors affecting food security Flashcards
20 flashcards on Edexcel GCSE Biology 9.2.5 Biological factors affecting food security: the key terms, definitions and processes you need to recall for Paper 1 and Paper 2.