question: Ciliates can be classified on the basis of how they what?
choices.text: shells marine smooth hairs tissue cells move snails
choices.label: A B C D E F G H
fact2: Ciliates are ciliated protozoa.
combinedfact: Ciliates can be classified on the basis of how they move.
formatted_question: Ciliates can be classified on the basis of how they what? (A) shells (B) marine (C) smooth (D) hairs (E) tissue (F) cells (G) move (H) snails