] Figure 1
Root hair
Х
(a)
The root hair was viewed at a magnification of 50
The image length of the root hair X-Y is 43 mm
Calculate the real length of the root hair in micrometres (um).

a chain link fence because there so tiny even my albino donkey can't get out

linnaeus is the father of taxonomy, 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.