1. The most successful, diverse, and abundant marine vertebrates during the time of dinosaurs were:
a. Pterosaurs
b. Teleost fish
c. Chondrichthyans
d. Bivalves
e. Plesiosaurs
2. Paleontologists name new dinosaur species based on what kinds of characters?
a. autapomorphies
b. plesiomorphies
c. synapomorphies
d. homoplasies
