Rifting of Pangaea led to high heat flow along axes of sea floor spreading centers leading to tall mid-oceanic ridges. How does this explain why there were world-wide marine transgressions leading to epiric seas like the Cretaceous Seaway?
In the first lecture video for Chapter 15, I point out some of the traits of dinosaurs that are different than reptiles. What are these traits of dinosaurs that distinguish them from ectothermic reptiles?
Why were the Chilean Scientists (J. Botelho) able to grow a dinosaur fibula in the leg of a modern chicken embryo?
In the Theropod group, two branches developed, Carnosaurs and Coelurosaurs, with each branch evolving large carnivorous predators (Allosaurus and T-Rex). What distinguishes the Carnosaurs like Allosaurus from the Tyrannosaurs?
How does the work of Karen Sears on opossums support the evolution of the mammalian jaw from a reptilian jaw?
We know more about the Cenozoic Era for three reasons. What are these?
What are some of the details of the PETM?
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