question: What do fungi produce in ecosystems?
choices.text: backbones Ribosomes protease pathogens similar toxins crucial crops
choices.label: A B C D E F G H
formatted_question: What do fungi produce in ecosystems? (A) backbones (B) Ribosomes (C) protease (D) pathogens (E) similar (F) toxins (G) crucial (H) crops