B)The rate at which changes occur in a type of molecule
<span>Imagine you had heard a murmur on tina. It would have been important to ask tina to change positions while auscultating the hear, since </span>it is important to determine which body position the murmur is most loudly and clearly heard.
Organisms have adaptation so they can change with the environment around them to fit in. For example if there is a very hot climate, a rabbit has the adaptation of giant ears that are thin to act like a air ventilation system.
The teacher gives a link so you can watch the video again. I know of Jared Diamond from his books. I have not seen this video before & would need to watch it too in order to help you.
I believe the answer is: Stimulus enchancement
Stimulus enhancement refers to an exposure toward a certain stimulus that make the observer aware on the relationship between the stimulus and the result. In the scenario above, the new dog is the observer, buddy chasing the lgiht is the stimulus, and Zoe follow in chasing the red light is the result.