Energy flows from producers to primary consumers, to secondary consumers, to tertiary consumers... Energy is lost between trophic levels in the form of heat through cell respiration, faeces, tissue loss and death. Some of this lost energy is used by detritivores and saprotrophs.
Methanol, acetone, and isopropanol belong to the first group. These substances were detected and proposed as alcoholism indicators in connection with congener alcohol analyses of blood samples from DWIs. Methanol, in particular, has been adopted as a powerful indicator of alcohol misuse.
Acetone is a colorless and highly flammable manufactured liquid. It has a distinctive fruity or mint-like odor and a pungent taste. It is also found naturally in plants, trees, volcanic gases, and forest fires, and as a by-product of the breakdown of body fat.he chemical formula for acetone is C3H6O. Acetone is used as a solvent to dissolve other substances, such as paints, varnishes, lacquers, fats, oils, waxes, resins, printing inks, plastics, and glues.