question: This material allows fish to move faster while also protecting them from predators and parasites:
choices.text: keratin toxins Corvidae crucial pathogens scales energy organisms
choices.label: A B C D E F G H
formatted_question: This material allows fish to move faster while also protecting them from predators and parasites: (A) keratin (B) toxins (C) Corvidae (D) crucial (E) pathogens (F) scales (G) energy (H) organisms