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What does the variety of large tail clubs and associated spikes on ankylosaurids  suggest?

How many stages of breakup did Pangea go through?

Pick your favorite dinosaur. Where and when was it first discovered? When and where did it first appear in the geologic record. Which group of dinosaurs does it belong to? Compare your dinosaurs features to the features that the group has, describe its lifestyle (eating, socialization, etc…), the evolution of the group and how features changed, and where and when did your dinosaur become extinct. 

What is the correct term for sea level retreating?

Which supercontinent existed at the beginning of the Mesozoic?

What is the most preferred cladogram?

What is a body fossil?

What are some evidences for late Cretaceous cooling?

Forams are valuable for biostratigraphy because:

___________________ became the dominant gymnosperms during Mesozoic.