Question

this diagram shows fossils in an undisturbed sedimentary rock sequence. which of the following fossils is oldest? select the most likely answer. wood palm leaf fish

Explanation:

In undisturbed sedimentary rock, deeper layers form first, so fossils in deeper layers are older. The spiral fossil (not an option) is deepest, among the given options, the fish fossil is in the second-deepest layer, which is older than the wood and palm leaf fossils in shallower layers.

Answer:

C. fish