#Question id: 5018
#Unit 11. Evolution and Behavior
Which event is nearest in time to the end of the period known as snowball Earth?
#Question id: 5019
#Unit 11. Evolution and Behavior
A major evolutionary episode that corresponds in time most closely with the formation of Pangaea was the
#Question id: 5020
#Unit 11. Evolution and Behavior
Dicynodonts survived the Permian extinction and, therefore, existed during both the
#Question id: 5021
#Unit 11. Evolution and Behavior
Most dinosaurs and pterosaurs become extinct at the close of the __________ era.
#Question id: 5022
#Unit 11. Evolution and Behavior
Almost all of the major animal body plans seen today appeared in the fossil record over 500 million years ago at the beginning of the
#Question id: 5023
#Unit 11. Evolution and Behavior
The origin of the craniates occurred at roughly the same time as the