Keeping Internal Conditions Stable
Keeping Internal Conditions Stable
Negative feedback is a control mechanism that keeps an internal condition close to its normal level. A change away from normal triggers a response that reverses the change.
Step-by-step lessons on AQA GCSE Biology 5.3.7 Negative feedback (HT only). Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.