All bacteria need energy to survive and thrive. Energy origins such as sugars, carbohydrate, protein, oils and other mixtures replenish the nutrients. Oxygen - Few bacteria need oxygen to develop (aerobes) while others can develop particularly in the inadequacy of oxygen (anaerobes). Therefore, they are mostly found in the kitchens. Researches have revealed that of the bacteria detected in indoor air, the several traditional four are: Micrococcus, Staphylococcus, Bacillus, and Pseudomonas.