question: What ancient life remnants are studied?
choices.text: remains fossils dead trees lampreys arachnids paleontologists graves amphibians
choices.label: A B C D E F G H
formatted_question: What ancient life remnants are studied? (A) remains (B) fossils (C) dead trees (D) lampreys (E) arachnids (F) paleontologists (G) graves (H) amphibians