question: What has a less flexible but stronger skeleton compared to sharks?
choices.text: fish Mohs Type O bacteria cartilage viruses adult weater
choices.label: A B C D E F G H
fact2: Most fish have bony skeletons, but sharks have skeletons made of cartilage .
combinedfact: most fish have less flexible but stronger skeletons compared to sharks
formatted_question: What has a less flexible but stronger skeleton compared to sharks? (A) fish (B) Mohs (C) Type O (D) bacteria (E) cartilage (F) viruses (G) adult (H) weater