Explain why sustainable methods are needed to feed people on Earth.

Explain why sustainable methods are needed to feed people on Earth.. Within Food production (biology only), this learning objective sits inside Factors affecting food security for AQA Biology 8461. Focus on using ideas such as feed, methods, needed, people accurately in your explanation. A strong response should define the core idea, describe the relevant biological process, and connect it back to the question wording instead of giving a vague definition. When revising, students should aim to explain the science clearly, include precise biological vocabulary, and show how the process or structure links to the wider topic rather than listing isolated facts.