Food pyramid. Energy flows from bottom to top
There are too many different fields of science for there to be just one single scientific method<span> that all scientists follow.</span>
Answer:
Change in food source.
Explanation:
If there is a change in food source, then the organism will have to adapt to that change. For example, with Darwin's Theory on the finches on the Galapagos Islands. There were many different varieties from different size to different beaks. This was because of changes on food sources and they adapted to obtain them more.
