Final answer:
An animal with rapid swimming abilities and forward-focused visual senses for hunting is likely to be bilaterally symmetrical and cephalized, suitable for directional movement and prey capture. The correct option is A.
Step-by-step explanation:
An animal that swims rapidly in search of prey and captures it using visual senses concentrated at its anterior end is most likely to be bilaterally symmetrical and cephalized.
This is because bilateral symmetry allows organisms to have a streamlined body plan suited for active and controlled directional movement, while cephalization refers to having a concentration of nervous tissues and sensory organs at the front, enhancing visual acuity necessary for pursuing prey.
Such bilateral organisms typically have an anterior end where they first encounter their environments and a posterior end, as well as a top (dorsal) and bottom (ventral) side, supporting their directional movements.