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What defines a negative feedback loop in a system?

A process that amplifies disturbances

A response that destabilizes the system

A response that reduces the magnitude of a disturbance

A negative feedback loop serves to stabilize a system by counteracting changes or disturbances. When a disturbance occurs, the system responds in a way that reduces its magnitude, thereby helping to maintain equilibrium. For instance, in ecological systems, if a population grows too large, negative feedback mechanisms, such as increased competition for resources or higher predation rates, may reduce the population size.

This stabilization is crucial for the resilience of the system, as it prevents runaway effects that could lead to systemic failure. In contrast, a positive feedback loop would amplify disturbances and potentially destabilize the system, leading to significant changes that may be undesirable. Thus, the concept of negative feedback highlights its role in maintaining homeostasis and equilibrium within various systems, be they ecological, biological, or mechanical.

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A reaction that increases the potential for more disturbances

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