Keeping internal conditions steady
Keeping internal conditions steady
Negative feedback is a control mechanism in which a change triggers a response that reverses that change. It keeps an internal condition close to its normal level.
Step-by-step lessons covering AQA GCSE Biology 5.3.7 Negative feedback (HT only) for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Start with the foundational topics and build up to the higher-tier material.