How much did Charles Darwin understand genetics? Where did the term “survival of the fittest” come from? A foundational work in the field of biology, On the Origin of Species revolutionized the way we look at life on Earth. Published in 1859 by the naturalist Charles Darwin, this work explains and argues for his theory of evolution. Keep reading to learn about the four mechanisms of evolution that Darwin believes are at work.
The Four Mechanisms of Evolution (On the Origin of Species)










