which two structural is polypeptides come from plants is it a. glycogen b. starch in c. cellulose pick the two one of them are wrong

In what for do plants utilize nitrogen? why do they need nitrogen?

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe

In what ways does the study of human population differ from the study of wildlife ecology