1. What is fitness? 2. How did Darwin's voyage on the Beagle influence his thoughts about life on Earth? 3. How is the diversity of life related to evolution? 4. How is adaptation related to fitness?
13-2 The Age of the Earth
1. What is the age of the Earth? 2. How might relative dating provide inaccurate data?
13-3 The Fossil Record
1. Why is the fossil record incomplete? 2. Describe how sedimentary rocks are formed. 3. What is a fossil? How are fossils formed? 4. What kind of changes are reflected in the fossil record? 5. What are some problems faced by paleontologists when reconstructing the history of life on Earth?
13-4 Evidence from Living Organisms
1. What is the best explanation for the structural and biochemical similarities that exist in living organisms? 2. What is a vestigial organ? 3. How does evidence from embryology support the concept that all animals evolved from common ancestors? 4. How does biochemistry support the idea that all living things evolved from common ancestors?