One of the distinguishing features of Dinosauria from other Dinosauromorpha is ___________________.

Listed below are important factors related to the understanding of cladograms. Which of the following is false?

Since many flightless dinosaurs were found to exhibit feathers, what other functions are feathers useful for?

An Ornithopod dinosaur, Maiasaura is____________.  Select all that apply.

What is the reason for permineralization?

The following diagram shows two main groups of Ceratopsidae; Centrosaurinae and Chasmosauridae.  Considering their characteristics, dinosaur in second picture belongs to _______________, because of ___________ and ____________.

List the correct bone order for a tetrapod forelimb from the proximal end (towards the body) to the distal end (away from the body):

Select two clades that constitute Eurypoda:

Which of the following is a characteristic NOT shared by stegosaurs and ankylosaurs?

First Ceratopsian dinosaur appeared in _____________ , migrated to _____________ and diversified in later Cretaceous.