question: what secrete a mucous covering over their exterior to help protect from predators and parasites
choices.text: snakes Pests hawks birds bats humans fish Anthax
choices.label: A B C D E F G H
formatted_question: what secrete a mucous covering over their exterior to help protect from predators and parasites (A) snakes (B) Pests (C) hawks (D) birds (E) bats (F) humans (G) fish (H) Anthax