The answer is D. quaternary
<span>The disinfectant that was the most effective at controlling the growth of E. coli is disinfectant 2 because of the least number of Ecoli strains found on the dish compared to the other disinfectants. Also dish 4 that cointains water has the most number of Ecoli strains because water is not a disinfectant and Acoi do not die in water alone.</span>
Answer:
The biological species concept defines a species as members of populations that actually or potentially interbreed in nature, not according to similarity of appearance. Although appearance is helpful in identifying species, it does not define species. ... Organisms may look different and yet be the same species.
Simple,
you want a valid prediction about the results of her experiment.
B is out of the picture, leaving only A and C.
Since it's asking about a valid prediction of the results of her experiment then the only logical answer is C.
Thus, your answer.