Cretaceous Period (145–66 million years ago) Flashcards
1
Q
Q: What herbivores and predators evolved during the Cretaceous?
A
A:
Herbivores: Duck-billed hadrosaurs, ceratopsians, ankylosaurs, therizinosaurs and titanosaurs.
Predators: Tyrannosaurs, oviraptors, and Abelisaurus.
2
Q
Q: Which birds evolved better flying abilities than Archaeopteryx?
A
A: Primitive birds like Confuciusornis and Sapeornis.
3
Q
Q: What marine reptiles dominated the Cretaceous seas?
A
A:
Ichthyosaurs: Adapted for small to medium prey.
Plesiosaurs: Included giant forms like Pliosaurs (~18 meters long).
Mosasaurs: Relatives of modern lizards with elongated bodies and tail fins.
