which fossil would be the oldest? * 1 point

which fossil would be the oldest? * 1 point
Answer
Brief Explanations:
In geology, the principle of superposition states that in undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest are at the top. Fossils in the lowest - lying layer are the oldest. Fossil D is in the bottom - most layer.
Answer:
D