A Chief Information Security Officer at a medium enterprise computer software company would be very likely to recommend Cisco Advanced Malware Protection for this reason: I feel that it gives me the features, the visibility, and the level of forensics that I need in my environment.
The answers is (c) bacteria-the simplest, smallest, and most abundant organisms on Earth. Bacteria are procaryotic organisms; which indicates a cellular structure lacking an organized nucleus and nuclear membrane.
They comprise methane-producing anaerobic species (methano- P. Forterre : The most primitive organisms on Earth 169 yens), bacteria living in very high salt environments (halobacteria) and a huge number of diverse thermophilic species, aerobic and/or anaerobic, acidophilic or neutrophilic (sulfothermophiles).