In this chapter, you will learn about Charles Darwin's travels that led him to develop the theory of evolution. You will also investigate the age of the Earth by examining the geologic record, the fossil record, and the relationships of living organisms.

In this chapter, you will: relate Darwin's observations to his explanation of evolution distinguish between relative and absolute dating explain how fossils provide evidence of evolution describe how similarities in embryos support the concept of common descent explain how homologous and vestigial structures indicate that evolution has occurred discuss how biochemical similarities are evidence of evolution