Student Project Figures Figure 1 Figure 1. a) Photograph of unidentified zooid of social ascidian, b) Photograph taken through a microscope of a second zooid from the same species. Each zooid is approximately 1mm in diameter. Shows the transparent tunic and orange pigmentation in the branchial basket. The stolon (St) is transparent with vascular cells visible. (St = stolon, Tu = Tunic, At = atrial siphon (incurrent), Bu = buccal siphon (excurrent)). Credit to a) Sandie Degnan and b) Tallulah Southby Osborne. Figure 1 Figure 2