Decomposition occurs in a number of stages, each of which is carried out by a different group of organisms. The first stage is called autolysis, which is the breakdown of the organism's tissues by its own enzymes. This process is followed by the work of bacteria and other microorganisms, which break down the organic matter into smaller molecules. Finally, fungi and other decomposers break down the remaining organic matter into inorganic substances, such as carbon dioxide, water, and nutrients.
The rate of decomposition depends on a number of factors, including the temperature, moisture, and pH of the environment. In general, decomposition occurs more quickly in warm, moist environments with a neutral pH.
Decomposition is an important process that plays a vital role in the cycling of nutrients in the environment. Without decomposition, the Earth would soon be covered in dead organisms and there would be no new growth.