As discussed in the text, long-term continental drift had significant evolutionary ramifications because
a. groups of animals were no longer isolated from each other by oceans.
b. the distribution of mammals and other land vertebrates were unaffected.
c. geological activities induced volcanic activities which decimated populations of placental mammals.
d. groups of animals were isolated from each other by oceans.
e. scientists can map the changes that occurred.
Question 2
Continental drift
a. had no real impact on the evolutionary history of vertebrates
b. never occurred
c. is the movement of the continents on the Earth's surface
d. ceased to occur several million years ago
e. occurs only in the Old World
