Skip to content
Toggle Sidebar
Home
Subjects
Past Papers
Key Terms
Settings
My Courses
Select your courses
Biology
Ecosystems and Material Cycles
Biodiversity and Human Impact
Food Security
Food Security
What You Need to Know
Describe the biological factors affecting levels of food security.
Include increasing human population, animal farming, and meat/fish consumption.
Include the impact of new pests, pathogens, and environmental change.
Include sustainability issues such as biofuel production and agricultural input costs.
Revision Notes
Sign up to access these revision notes
Create an account to unlock revision notes, key terms, and exam tips.
Sign up
Log in
Practise with Past Papers
Key Terms & Definitions
Previous Subtopic
Maintaining Biodiversity
Next Topic: Material Cycles
Cycling of Materials