Bacillus (shape) called rods when the bacteriologic context is clear. Sea Bacilli usually divide in the same plane and are solitary, but can combine to form diplobacilli, streptobacilli, and palisades. There is no connection between the shape of a bacterium and its color in the Gram staining. MacConkey agar can be used to distinguish among Gram negative bacilli such as "E. coli" and salmonella. Bacillus (shape) A bacillus (plural bacilli) or bacilliform bacterium is a rod-shaped bacterium or archaeon. Bacilli are found in many different taxonomic groups of bacteria. However, the name "Bacillus", capitalized and italicized, refers to a specific genus of
What Is History? that events could not have happened differently unless there was a different cause. He called “these so called accounts in history represent a sequence of cause and effect interrupting and so to speak clashing with the Sequence of which the historian is primarily concerned to investigate.” He feels that the main job of a historian is to investigate the reasons/causes as to why events occurred and not to create the events or justify them. He was not a fan of "what if" history and he found it pointless because it did not happen. Carr saw accidents in history as impossible