I believe the answer is 2: multiple ecosystems in a biome
Answer:
Positive feedback is most like adding wood to a burning fire to increase the heat. Positive feedback is a regenerative feedback process in which a segment of the output is combined with the input for the output to increase more.
Explanation:
Hope this helps :)
Gunter will be undergoing functional Magnetic Resonance Imaging (fMRI).
This technique for brain activity measuring is based on the fact that cerebral blood flow and neuronal activation are coupled. Blood flow increase in an area of the brain that is in use.
