Cilia and flagella are specialized structures attached to the cell membrane on some cells. The cilia look like little hairs while flagella are larger and whip-like. What is main the purpose of both the cilia and the flagella in cells A. They move the cell from place to place in the environment.
* B. 
They are defensive structures to protect the cell form predators.
* C. 
They cause similar cells to link together to form larger organisms.
* D. 
They help the cell membrane absorb nutrients from the environment.