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. ).
B. 1  abiotic factor. 2  nonliving parts of an organism's environment; temperature, moisture, light, and soil are examples. 3  biosphere. portion of earth that supports life; extends from the atmosphere to the bottom of the oceans.  biotic 1  factor. all the living organisms that inhabit an environment.  commensalism.