You are exploring and observe some hardened sediment that contains the impression of a bone. this is an example of what type of fossil?

mold

petrified

imprint

trace

16 select the correct answer from each drop-down menu. sharks, whales, and dolphins share similar features such as body shape and the position of fins. hoy while whales and dolphins have lungs. these differences indicate that the organisms share a comme whales also possess a vestigial pelvic bone. the presence of the pelvis bone may indicate that whales reset next