The following questions refer to the description below. Terry catches a ray-finned fish from the ocean and notices that attached to its flank is an equally long, snakelike organism. The attached organism has no external segmentation, no scales, a round mouth surrounded by a sucker, and two small eyes. Terry thinks it might be a marine leech, a hagfish, or a lamprey. -Which feature excludes the organism from possibly being a leech?
A) elongated shape B) lack of scales C) lack of external segmentation D) round mouth E) anterior sucker