question: What traps particles?
choices.text: detritus and detrital organism sunlight thick, slimy mucus microbes and mussels flagellum or tiny hairs free space moonlight tubular organ
choices.label: A B C D E F G H
fact2: Collar cells each have a flagellum.
combinedfact: flagellum are tiny hairs that trap particles
formatted_question: What traps particles? (A) detritus and detrital organism (B) sunlight (C) thick, slimy mucus (D) microbes and mussels (E) flagellum or tiny hairs (F) free space (G) moonlight (H) tubular organ