Answer the following question: Fact 1: Webbed feet are used for moving faster through water by aquatic animals. Fact 2: Feet are webbed and serve as a rudder. Given the two facts above, what are used as a rudder by aquatic animals?

Select from the following.
(1). dorsal.
(2). squids.
(3). feet.
(4). fibers.
(5). Tail.
(6). sharks.
(7). gills.
(8). clams.
Answer:
(3).