Student Project Figures Figure 13 A larva leaving a Botryllus schlosseri (Pallas, 1766) zooid through the buccal siphon (bs). The white arrow points to the trunk region of the larva. The larva will spend a few hours in the water column before settling and metamorphosing into an oozooid. Scale bar = 750 µm. Adapted from Rodriguez, Kassmer & Tomaso, 2016.  Figure 11 Figure 12 Figure 13