Figure 3.

Standard deviation (in pixels) of the diameters of zones of inhibition (ZOI) across ancestor (time zero) and bacteria isolated from biofilms at 15, 30, and 60 days. Individual replicates appear as distinct colors connected with a line. The variance across ZOI measurements of the ancestor is plotted at time 0 as an open circle.

Tyerman et al. BMC Evolutionary Biology 2013 13:22   doi:10.1186/1471-2148-13-22
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