Food security and rising demand
Food security and rising demand
Food security means reliable access at all times to enough safe, nutritious and affordable food. Food must be available, accessible and affordable, and its supply must remain stable from year to year.
Step-by-step lessons on OCR GCSE Biology 6.2 Feeding the human race, covering 6.2.1 Biological factors affecting food security, 6.2.2 Agricultural solutions to growing demand, 6.2.3 Selective breeding, 6.2.4 Genetic engineering, 6.2.5 Steps in genetic engineering, 6.2.6 Benefits and risks of gene technology in agriculture, and 6.2.7 Biotechnological solutions to growing demand. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.