Illustrating Feedback Loops for AP Biology Students

Here are the illustrations I did for my AP Biology students when they expressed confusion about the difference between positive and negative feedback loops in cellular communication! The bottom line... Both negative and positive feedback loops work to increase fitness!






*THE INFORMATION BELOW REPRESENTS A HYPOTHETICAL SCENARIO WHOSE SOLE INTENTION IS TO COMMUNICATE THE DIFFERENCE POSITIVE AND NEGATIVE FEEDBACK!*


*THE INFORMATION BELOW REPRESENTS A HYPOTHETICAL SCENARIO WHOSE SOLE INTENTION IS TO COMMUNICATE THE DIFFERENCE POSITIVE AND NEGATIVE FEEDBACK!*

I hope you find these helpful! It's super important that we emphasize that both positive and negative feedback are intended to increase fitness! It is simply the direction with which we respond to the stimulus that determines whether it's considered + or –!

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