question: Where do frogs come from?
choices.text: reptiles arthropods dead trees liverworts organisms Tadpoles Corvidae land mass
choices.label: A B C D E F G H
formatted_question: Where do frogs come from? (A) reptiles (B) arthropods (C) dead trees (D) liverworts (E) organisms (F) Tadpoles (G) Corvidae (H) land mass