Write an "A" (for "ancestral") in each box which shares the Lemur data for that character; write a "D" (for "derived") in each box which is different from the lemur data. See Steps #5 and #6 for instructions; also pay attention to the footnotes below. Tube Ear ratio of ratio Teeth closure presence ridges of capacity length ridge skull Number Development Two Cranial Tail Post-orbital Skull Snout 1. 2. 3. 4. 5. 6. 7. 8. Alouatta: Homo: Macaca: Pan:
Write an "A" (for "ancestral") in each box which shares the Lemur data for that character; write a "D" (for "derived") in each box which is different from the lemur data. See Steps #5 and #6 for instructions; also pay attention to the footnotes below. 1. Number of Teeth 2. Development of Ear Tube 3. Post-orbital closure 4. Skull ridge presence 5. Two skull ridges 6. Snout length ratio 7. Cranial capacity ratio 8. Tail Alouatta: Homo: Macaca: Pan:
phylogenetics_problem_set.docx