question: Getting food by killing requires what?
choices.text: backbones buying milk seeing prey eating vegetarian microorganisms digestion protease ordering out
choices.label: A B C D E F G H
formatted_question: Getting food by killing requires what? (A) backbones (B) buying milk (C) seeing prey (D) eating vegetarian (E) microorganisms (F) digestion (G) protease (H) ordering out