Which of the following is the correct order of eras from newest to oldest?

There are two clades within the group ankylosauria: Ankylosauridae and Nodosauridae. Nodosaurs can be diagnosed by the distinctive acromial process (large knob of bone on the shoulder blade) and parascapular spines (shoulder spines). Below, label the nodosaurid and the ankylosaurid:

There are many signs in bonebed discoveries that hint at the establishment of parental care. In the case of ornithopods, which is NOT one of them?

Monophyletic groups:

The name of the rock (formation) famous for dinosaur fossils, exposed near Glendive, MT is called _____________.

Listed below are diagnostic characters of Chordata except for:

Understanding that water and the continental crusts have different heat capacity, which of the following scenarios would be the most accurate interpretation of Pangaea’s continental effects as compared to present day?

Bonus question: Why are Sauropods so fascinating?  Tell me at least 3 unique features.  (If you think Sauropods are lame, tell me at least 3 reasons why they suck.)

Fossil evidence suggests dinosaurs first emerged in _______________.

To determine a numerical age of a rock or fossils, we need to acquire:  a). the original amount of parent isotope at the time of its formation b). the amount of parent isotope currently present c). rate of decay of that isotope.