I believe it would be Rhizobium bacteria
Refined carbohydrates are digested faster, leading to a fast rise in blood glucose levels.
Refined carbohydrates have a higher glycemic index than processed whole grains. That's because of their simple chemical structure, leading to powerful spikes in blood
sugar and insulin secretion. This immediate impact can lead to an increased risk for type 2 diabetes, overweight and heart disease.
Ecology
Ecology studies the life of living things and their environment.
Because their bodies tell them that they need more oxygen and so breathe faster, and try and get the oxygen their body requires and depends on.