Which statement best describes the changes in the environment in this location?

Question

A. 

Multiple layers of fish fossils indicate that the environment has always been a marine environment.

B. 

Fish and insect fossils in the same layer indicate a change from a land environment to a marine environment.

C. 

Dinosaur fossils over fish fossils indicate a change from a marine environment to a land environment.

D. 

Insect fossils under dinosaur fossils indicate the environment has always been a land environment.

Answer 1

The best statement that describes the changes in the environment in this location is:

B. Fish and insect fossils in the same layer indicate a change from a land environment to a marine environment.

This statement suggests a transition in the environment, supported by the presence of both fish and insect fossils in the same layer, implying that there was a shift from a terrestrial (land) environment to an aquatic (marine) one.