What is the source of the bacteria in the culture tube in model 1? 2. how many genetic variants of

e. coli were present in the culture from the initial swab?

The source of bacteria in the culture tube in model 1 is from a swab of a desktop. Moreover, there are four variants in the E. coli culture from the initial swab and the variants of E. coli found on the dish grown with triclosan are evolution and selection.