bacterium Shape and Arrangement
-Each bacterium will have it's own shape, such as coccus, bacillus, coccobacillus, spirochete or sprillum.
-Stains will allow you to see the shape of cells. Sometimes, the names will also tell you the shape, but not always.
-Bacteria may or may not exhibit a particular arrangement when the cells do not completely separate from each other. Most bacteria do not have an arrangement.