The diagram represents a section of Earth that a paleontologist, a scientist who studies fossils, has been working with for years. Which
statement correctly describes this diagram?
O Layer W contains fossils of organisms that existed on Earth after the organisms found in layers U and R.
O Layer U contains fossils of organisms that are older than the organisms found in layer R.
O Layers W and U contain fossils that are animal species.
O Layers R and W contain fossils that are both types of plant species