Final answer:
A paleontologist uses the information from rock layers and their fossils to determine the relative age of the fossils. By comparing the fossils found in different rock layers from multiple areas, a paleontologist can create a sequence of rock layers from oldest to youngest.
Step-by-step explanation:
A paleontologist uses the information from rock layers and their fossils to determine the relative age of the fossils. By comparing the fossils found in different rock layers from multiple areas, a paleontologist can create a sequence of rock layers from oldest to youngest.
For example, let's say we have seven rock layers named A, B, C, D, E, F, and G. The fossils found in each layer are:
- Layer A: Fossil X
- Layer B: Fossil Y
- Layer C: Fossil Z
- Layer D: Fossil X
- Layer E: Fossil W
- Layer F: Fossil Z
- Layer G: Fossil Y
Based on the fossils, we can determine the order of the rock layers from oldest to youngest as follows: A, B, C, D, F, G, and E.