Three different cell structures are used for locomotion. They are _______.
A. protozoans, amoeba, and heterotrophs
B. protozoans, pseudopods, and heterotrophs
C. cilia, amoeba, and flagella
D. cilia, pseudopods, and flagella
The correct answer is D. cilia, pseudopods, and flagella
These cell structures are used to keep the cells moving in any way. An example can be the flagella that is like a whip and helps the cells swim. Other mentioned cell structures function differently and are not like whips.
