If the mystery food sample contained the nutrient, then it would change to the same color as the Indicator, Positive control, Negative Control?

because of

linnaeus is the father of taxonomy

explanation:

which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.