Organic compounds are mainly composed of hydrogen, carbon and carbon-containing compounds, but do not include carbon monoxide, carbon dioxide and substances ending in carbonate. Organic matter is the material basis of life, and all living things contain organic matter. Fat, amino acids, protein, sugar, heme, chlorophyll, enzymes, hormones, etc. Both metabolism and genetic phenomena in organisms involve the transformation of organic compounds. In addition, many substances closely related to human life, such as oil, natural gas, cotton, dyes, chemical fibers, natural and synthetic drugs, are closely related to organic compounds. Inorganic substances are also called inorganic compounds, and compounds unrelated to organisms (a few compounds related to organisms are also inorganic compounds, such as water) correspond to organic compounds, which usually refer to compounds that do not contain carbon elements, but include carbon oxides, carbonates, cyanides, etc. , referred to as inorganic matter.

It's not about eating. Some organic matter can be eaten, and some inorganic matter can be eaten.

There are both organic and inorganic substances in animals and plants, mainly organic substances. Stone and iron are inorganic substances.