This same natural process becomes a nuisance aka body odour, when perspiration/sweat encounters bacteria on the skin. Dr Pai insists, sweat itself does not smell, but coupled with the dead skin cells, it provides a medium for the bacteria to grow. This bacteria, breaks down the sweat causing unpleasant body odour..
Abiotic Factors: : are non-living physical and chemical elements of an environment. These factors are important for the survival of the organisms of that environment. (See biotic factors. ).
Abiotic and Biotic Factors in an Ecosystem. An ecosystem consists of the biological community of living organisms (biotic) and non-living organisms (abiotic) that occurs in a specific locale, and the physical and chemical factors that make up the environment.