In his book The Geographical Distribution of Animals, which began the field of biogeography, Alfred Russel Wallace discussed factors known at that time to influence animal distributions.Which factor did Wallace not include?
A) Land bridges
B) Past glaciation
C) Mountain ranges
D) Continental drift
E) Deep ocean channels

Question

Quizplus · Accepted Answer

Alfred Russel Wallace, in his work on biogeography, did not include continental drift as a factor influencing animal distributions. At the time of his writing, the theory of continental drift had not yet been developed; it was proposed later by Alfred Wegener in 1912.

In His Book the Geographical Distribution of Animals, Which Began