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Lab #25 Speciation Record your work on a piece of looseleaf paper for your lab binder. Part A: Go to this website: http://evolution.berkeley.edu/evolibrary/news/100201_speciation 1. Summarize what is happening to the Central European blackcap. 2. What evidence suggests that the Central European blackcap lineage is beginning to split? 3. Review the process of natural selection. Use the four steps described on the natural selection page of this home website to explain how the blackcaps migrating to Britain might have evolved rounder wings. 4. Read about the biological species concept and three other species concepts. For each concept explain whether you think the two parts of the blackcap population constitute separate species by that definition. Explain your reasoning and/or what other information you would need to make this determination. 5. Predict, using justification, what may happen to the birds in 50 years. 6. Summarize what is happening to the Daphne Major ground finches. Sketch a tree to show your understanding of the relationship between the finches, include the descendents that were the focus of the research. 7. Read about the biological species concept and three other species concepts. For each concept, explain whether you think the immigrant finch’s lineage and the Daphne Major ground finches constitute separate species by that definition. Explain your reasoning and/or what other information you would need to make this determination. 8. Predict, using justification, what may happen to the birds in 50 years. Part B: Go to this website. http://ats.doit.wisc.edu/biology/ev/sp/sp.htm Work your way through each of the Topics for the lesson. Summarize each topic then answer all the questions on the summary page (for each topic). Enjoy!
