1. Explain evolution in terms of Darwin's observations and studies. 2. Relate Darwin's principles of fitness and adaptation. 3. Relate the contributions of James Hutton and Charles Lyell to Darwin's work. 4. Explain relative dating of fossils. 5. Discuss radioactive dating, explaining decay and half-life in your discussion. 6. Explain the time divisions used on the geological time scale. 7. Discuss the way that fossils are preserved in sedimentary rock. 8. Describe the difficulties involved in obtaining evidence of evolution from fossils. 9. Discuss some changes on Earth that are supported by the fossil record. 10.Explain how similarities in embryos are evidence of shared ancestry. 11.Describe what homologous structures are and how they can be used to support evolution. 12.List several examples of vestigial organs that indicate that evolutionary change has occurred. 13.Relate the presence of biochemical compounds found in all organism to a shared evolutionary relationship.