Assuming that you're referring to forest ecosystem, the two ecological benefits of this ecosystem are :
- it provides habitats for many organisms
- It provide Oxygen supply for the world
photosynthesis!!!
Leaves from the plant absorb light from the sun. Leaves of plants also absorb the air that people breathe out, carbon dioxide
After 12 hours without eating, Seth is very hungry. It is likely that Seth's blood glucose level is LOW and his blood insulin level is HIGH.
A situation in which the blood glucose level is low is called hypoglycemia. In this situation, the level of glucose in the blood is much more lower than the normal level. This may be caused by a lot of factors. When the blood glucose level is low, the glucagon hormone mobilize the liver to release glycogen which is converted to glucose. The presence of glucose in the blood increase the level of insulin secretion which in turn increased the feeling of hunger in the individual.
Of these options, it's often observation that is most likely to result in an inaccurate prediction, since objectivity plays a role. It's helpful to have more than one person observe at once.
Table sugar I'm pretty sure