What is the main difference between negative and positive feedback?

The correct answer is A. The main difference between the two feedback system is that positive feedback leads to system instability, while negative feedback leads to system stability. For chemical reactions, negative feedback is when a signal is sent to stop the reaction to proceed because stability is achieved. read more

• because positive feedback mechanisms happen only when rapid, urgent change is needed • but negative feedback mechanisms are needed most of the time to maintain constant internal conditions Explain how the failure of one organ might lead to the failure of other organs or of an entire organ system. read more

In negative feedback systems the response reverses the original stimulus. In positive feedback the response enhances the stimulus. read more