After the publication of On the Origin of Species,the idea of evolution was generally accept.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

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While Darwin's theory of evolution was generally accepted after the publication of "On the Origin of Species," the concept of natural selection was fiercely debated. Some scientists and religious figures found it difficult to accept that chance mutations and survival of the fittest could lead to the diversity of life on Earth. It wasn't until the early 20th century that natural selection became widely accepted as the mechanism of evolution.

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