question: Protozoa can be identified by how they what?
choices.text: frog RNA Type O grow sing size move algae
choices.label: A B C D E F G H
fact2: For ease of identification, cotton seedlings are classified into the following three categories.
combinedfact: Protozoa can be identified by how they move.
formatted_question: Protozoa can be identified by how they what? (A) frog (B) RNA (C) Type O (D) grow (E) sing (F) size (G) move (H) algae