A condition caused by one of these parasites may be treated using a PAIR procedure, whose third step involves infusing the sufferer with scolicide. The Di·phyllo·bothrium genus of these parasites can induce megalo·blastic anemia in their hosts by absorbing vitamin B12 using their two sucking grooves. These parasites are comprised of a generative neck, a scolex head, and a strobila body segmented into proglottids. (15[1])Echino·coccosis and (*) taeniasis (“TAY-nee-ay-sis”) are diseases caused by the infection of these parasites. Like trematodes and nematodes, these platyhelminths are typically introduced into a human’s intestines through the consumption of undercooked fish and meat products. For 10 points, name these ribbon-like parasitic worms named for their resemblance to a long fabric adhesive. ■END■