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Speciation Teacher Resources
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Students use this activity as a logic problem that is based on real organisms and real data. The problem is to develop phylogenies for seven related populations of lizards living on the Canary Islands. Three phylogenetic charts are constructed, each using different forms of data, geography, geology, morphology, and molecular genetics.
Students view the video, "Evolving Ideas: Who Was Charles Darwin?" from the internet. They collect images of the blue crab life cycle. Students discuss the blue crab, and read the information found in an attached chart. On a second day, students view the exoskeletons of six different arthropods that are closely related to the blue crab. Students