Which type of bacteria requires specific conditions to thrive, according to the description of bacterial shaking?

The type of bacteria that requires specific conditions to thrive, particularly in the context of bacterial shaking, is microaerophilic bacteria. These bacteria do not grow well in normal atmospheric levels of oxygen; instead, they thrive in environments with lower oxygen concentrations, typically around 5-10%. This specific requirement means that while they still require oxygen for growth, they cannot survive in the higher levels found in aerobic conditions or in environments completely devoid of oxygen.

In contrast, aerobic bacteria require abundant oxygen to grow, which can lead to misunderstandings regarding the specific conditions they thrive in, as aerobic conditions are not "specific" in the way microaerophilic conditions are. Anaerobic bacteria flourish in the absence of oxygen, while facultative bacteria can adapt to both aerobic and anaerobic environments, making them less specific in their needs. Thus, the correct answer highlights the unique oxygen needs of microaerophilic bacteria, as they are very particular about their growth conditions.