What was one of the ideas that separated Charles Darwin's On the Origin of Species as a complete, scientific explanation for evolution when compared to all other previous attempts?
A) Darwin provided copious evidence that each species was completely unique.
B) Darwin recognized that species can occasionally spontaneously arise.
C) Darwin articulated a mechanistic explanation for change in species over time and the match between organisms and the environment.
D) Darwin explained that each domain of living organisms has independent ancestry that diversified over much longer periods of time than previously recognized.

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Darwin's mechanistic explanation for evolution through natural selection and the concept of adaptation to the environment was a significant departure from previous ideas that relied on religious or philosophical beliefs. Darwin's theory provided a naturalistic explanation for the diversity of life on Earth, supported by evidence from various fields such as geology, biology, and comparative anatomy.

What Was One of the Ideas That Separated Charles Darwin's