B. Because it is a dominant trait
Where are the options to answer the question?
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.
C) balance
Explanation: ruler shows length and the other 2 are used for liquids