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Name_____________________________________________Date_____________________Per____ Evolution: What Darwin Never Knew PBS Nova Special 2009 1. Charles Darwin was born ___ years ago. 2. What did Charles Darwin want to understand? 3. What is called the best idea anyone ever had? 4. Name the molecule shown in the beginning of this program. 5. What was Darwin’s job on the ship, the Beagle? 6. List four organisms Darwin observed on the Galapagos Islands 7. What could the islanders tell about the tortoises on the Galapagos? 8. Back in Britain, what did Darwin learn about the birds he collected? How many different species were there? 9. Darwin thought humans were descended from what animal? 10. What helped Darwin discover while studying developing embryos (snakes, whales, human)? 11. Darwin thought humans were descended from what animal? Name_____________________________________________Date_____________________Per____ 12. What helped Darwin come up with the idea for natural selection? 13. Explain what I means to say survival of the fittest. 14. How did Darwin explain how one species of finch had turned into many species? What leads to different shaped beaks? 15. Describe the two kinds of mice in the desert. 16. What can we study today that Darwin couldn’t? 17. What is a gene? What does it turn into? 18. Name one way that DNA can change? 19. Does DNA change naturally? 20. In what ways are mutations helpful to a species? In what ways can they be harmful?