GAINESVILLE, FL (UF/IFAS) — Right now, in a University of Florida marine science lab in Cedar Key, Florida, about 40 sea urchins are chowing down on their food of choice — seagrass. Jamila Roth, an interdisciplinary ecology student in the UF/IFAS College of Agricultural and Life Sciences, is watching them closely. Roth wants to know how the urchins’ eating behavior …