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Evolution 101 http://evolution.berkeley.edu/evolibrary/article/evo_02 Introduction: 1. What is biological evolution? 2. How does small-scale evolution differ to large-scale evolution? http://evolution.berkeley.edu/evolibrary/article/evo_14 Mechanisms: …by which selective forces can act on genetic variation in order for evolution to occur ‘next’ – descent with modification: 3. Which example illustrates descent with modification (a change in gene frequency over time) and why? ‘next’ – mechanisms of change: 4. Name the four mechanisms: 5. What do natural selection and genetic drift depend on in order to cause a change in a population? Explain… ‘next’ genetic variation: 6. What are the 3 main sources of genetic variation? ‘next’ - mutations: 7. Why is it important that mutations are random? 8. What is the significance of germ line mutations to large scale evolution? ‘next’ – causes of mutations – Read ‘next’ – gene flow: 9. Explain the importance of gene flow to genetic variation ‘next’ – sex and genetic shuffling: 10. What are the positives and negatives of sexual selection? ‘next’ – development – Read ‘next’ – genetic drift: 11. What is the importance to evolution of genetic drift? ‘next’ – natural selection – Read ‘next’ – natural selection at work – Read ‘next’ – what about fitness?: 12. Give a good detailed description of biological ‘fitness’ ‘next’ – sexual selection: 13. What are the positives and negatives of sexual selection? ‘next’ - artificial selection – Read ‘next’ - adaptation: 14. What is the difference between adaptations and vestigial structures? ‘next’ - misconceptions about natural selection - READ