While on his Beagle voyage,Darwin's biological discoveries led him to adopt two general lines of thinking that would prove important to the development of his theory of evolution.These two lines of thinking emphasized the geographical distributions of species and the
A) adaptive functions of animals' distinctive characteristics.
B) genetic relationship between species.
C) sexual behavior of animals.
D) fundamental differences between human beings and other animals.

Question

Quizplus · Accepted Answer

The first line of thinking, which emphasized the geographical distributions of species, led Darwin to consider how different species might have adapted to their environments. This consideration led him to the second line of thinking, which focused on the adaptive functions of animals' distinctive characteristics. Together, these two lines of thinking would form the basis of his theory of evolution through natural selection.

While on His Beagle Voyage,Darwin's Biological Discoveries Led Him to Adopt