Isabelle visits Ashfall Fossil Beds State Historical Park in Nebraska. She sees the sites where paleontologists discovered the remains of many extinct species. She learns that the fossil record helps people understand life on Earth millions of years ago. Which statement is true about the fossil record?

A. The fossil record shows only evidence of traces of animals in rock.
B. The fossil record shows no evidence of how organisms evolved.
C. The fossil record shows only plant life that has become extinct.
D. The fossil record shows patterns that are like data that can be analyzed.