1. PAP Biology
Warm up on Canvas

2. Feedback Loops Positive vs. Negative

3. Write down what you remember from the GIZMO yesterday.
Define homeostasis in your own terms.

4. While you are watching the video
Write down what the Amoeba Sisters define a positive feedback loop and a negative feedback loop to be. Write down any examples they give you as well.

6. Feedback Loop Definition
Channel or pathway formed by an 'effect' returning to its 'cause' and generating either more or less of the same effect.

7. Positive Feedback
In a positive feedback system, the output enhances the original stimulus.
It keeps going

8. Negative Feedback
With negative feedback, the output reduces the original effect of the stimulus
It stops the action