What that can swim have a centralized nervous system with a brain?
ships humans ducks creatures animals water boats fur seals
A B C D E F G H
All fish are creatures that swim.
creatures that can swim have a centralized nervous system with a brain.
What that can swim have a centralized nervous system with a brain? (A) ships (B) humans (C) ducks (D) creatures (E) animals (F) water (G) boats (H) fur seals