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Homestasis

Homestasis

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Author: Aly Hoffman
Description:

HS-LS1-3. Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.

Grade level 9

Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system.

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Tutorial

Why is maintaining homeostasis an important factor in the survival of an organism?