After the publication of On the Origin of Species, the idea of evolution was generally accepted. What part of Darwin's theory of evolution, however, was fiercely debated?
A) natural selection
B) environmental change
C) gradual change
D) the old age of the Earth
E) limited resources

Question

After the publication of On the Origin of Species, the idea of evolution was generally accepted. What part of Darwin's theory of evolution, however, was fiercely debated?​
A) ​natural selection
B) ​environmental change
C) gradual change​
D) the old age of the Earth​
E) ​limited resources

Quizplus · Accepted Answer

Natural selection, the mechanism by which Darwin proposed species evolve, was the aspect of his theory that sparked the most debate. While the idea of evolution itself gained acceptance, how it occurred—specifically through natural selection—was not immediately accepted by all.

After the Publication of on the Origin of Species, the Idea