The diagram shows where a rock layer called the Tamiami Formation exists in Florida. The table lists the types of fossils found in this formation. Which conclusion about the Tamiami Formation is supported by evidence in the diagram and table?

A) The Tamiami Formation is shrinking in size as new fossils are created.
B) The Tamiami Formation is currently growing in size as new sediments are deposited. C) The part of Florida containing the Tamiami Formation was once underwater.
D) The part of Florida containing the Tamiami Formation is currently below sea level.