Title: Estimating divergence times of notothenioid fishes using a fossil- calibrated molecular clock

1.    Describe the methods for this study?
2.    What was the primary question of the study?
3.    Interpret Figure 1.
4.What were the conclusions?
Near, T.J. 2004. Estimating divergence times of notothenioid fishes using a fossil-calibrated molecular clock. Antarctic Science 16:37-44.

http://darwin.biology.utah.edu/pubshtml/PDF-Files/102.pdf

Title: The flight of the Passenger Pigeon: Phylogenetics and biogeographic history of an extinct species

4.    Describe the methods for this study.
5.    What was the primary question of the study?
6.    Interpret Figure 1. How do the authors interpret this as evidence that pigeons and doves invaded the New World three times from the Old World?
7.      What were the conclusions?

Johnson, K.P., D.H. Clayton, J.P. Dumbacher, and R.C. Fleischer. 2010. The flight of the passenger pigeon: phylogenetics and biogeographic history of an extinct species. Molecular Phylogenetics and Evolution 57:455-458.

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