Fossils are the preserved remaining, impressions or traces of prehistoric organisms.
Trace fossils are the naturally preserved evidence of animal activity like footprints of animals.
Body fossils are formed from the remaining of dead animals and plants like bones, teeth etc.
Bone fossils are the remaining of bones.
Cast fossils are formed by hardening of mud or sand that is filled in the mold and thus gives the shape of the organism
Thus, option D that is cast fossils record the shape and structures of an organism.
