Constipation and diarrhea, are both caused by a similar thing. Constipation is caused whenever there is too much buildup of food, or other food based material in the intestines. Usually this passes itself, yet constipation can also cause diarrhea through a bowel movement.
Since glucose really means "sugar", Sugar gives us energy and is also a necesity that our body needs to keep up.
A food chain is a linear representation of the energy going through organisms while a food web shows multiple connections between the organisms.
Ask the question again intelligently, all of your grammar mistakes and typos make it hard to understand.
the nitrogen cycle involves decompisition. and the waste from the animals is then turned into nitrogen.