The existence of a single original continent has been proved by the presence of
A) similar mountain ranges on the various continents.
B) nearly identical species of fish in long-separated freshwater lakes throughout the world.
C) marsupials on the various continents.
D) the continued shifting of the earth's crust.
E) geological evidence of soil samples common among all continents.

Question

The existence of a single original continent has been proved by the presence of  
A) similar mountain ranges on the various continents.
B) nearly identical species of fish in long-separated freshwater lakes throughout the world.
C) marsupials on the various continents.
D) the continued shifting of the earth's crust.
E) geological evidence of soil samples common among all continents.

Quizplus · Accepted Answer

Nearly identical species of fish in long-separated freshwater lakes throughout the world provide evidence for the existence of a single original continent. This is because these fish would not have been able to disperse to these different lakes if they had not been connected by land at some point in the past.

The Existence of a Single Original Continent Has Been Proved