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.
Isopropyl Alcohol vs Denatured Alcohol. Isopropyl alcohol and denatured alcohol are categorized under the alcohol group, since they have a âOH group. These are the smaller alcohols in the series with two or three carbons.sopropyl alcohol has three carbon atoms. â¢ Denatured alcohol is a mixture whereas isopropyl alcohol is not. â¢ Isopropyl alcohol is mixed as an additive with ethanol when producing denatured alcohol. â¢ Ethanol is denatured alcohol is a primary alcohol, whereas isopropyl alcohol is a secondary alcohol.