Paul Andersen explains how feedback loops allow living organisms to maintain homeostasis. He uses thermoregulation in mammals to explain how a negative feedback loop functions. He uses fruit ripening to explain how a positive feedback...

In this video we are going to look at a few different ways in which plant hormones can be used.



Plant growth hormones (auxins) can be used as selective weedkillers. The selective weedkillers contain growth hormones,...