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Evolution Reading Guide You will be reading pages 269 to 281 in the Living World and completing questions in your notebook to serve as the backbone for your notes. 13.1 Getting From There to Here 1. Explain what Darwin meant when he said “descent with modification”. 2. In your own words, summarize the six key “steps” in the process of natural selection. 3. How would Darwin explain the relationship between microevolution and macroevolution? 4. What is the difference between the way Lamarck described evolution and the way Darwin proposed? 5. How are variations “introduced” to populations? 6. What is the important factor to consider if deciding whether the mutation will be found in the next generation? 7. What is the difference between gradual and punctuated equilibrium? 13.2 Evidence for Evolution 1. Explain the difference between relative and absolute fossil dating. 2. What evidence exists in the fossil record that links organisms together? Be detailed in your response. 3. Provide at least three evidences for evolution based on the anatomical record. Be detailed in your response. 13.3 Genetic Change within Populations 1. What are allele frequencies? 2. What happens to allele frequencies if a population is in Hardy-Weinberg equilibrium? 13.4 Why Allele Frequencies Change 1. What are five conditions that must be met for evolution NOT to occur based on the Hardy-Weinberg assumptions.(Refer to Section 13.3) 2. Explain the five evolutionary forces that have the potential to significantly alter allele frequencies in populations. Be detailed in your response. 13.5 Forms of Selection 1. Describe the three types of selection. Draw a graph to represent each and make sure to provide examples for each. Summary Write a paragraph that summarizes what you have learned about the process of evolution based on your reading. What is something new and interesting that you learned?