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Given enough time and enough accumulated changes, natural selection can create entirely new species, known as "macroevolution." It can turn dinosaurs into birds, amphibious mammals into whales and the ancestors of apes into humans.
It was just too difficult for people to understand. They didn't the background to understand that things just weren't that simple and things like this too a very long time. It would be like trying to understand just how the universe began and how long ago it was. And they really didn't like the idea that humans an apes are related. In the long run, all organisms are related but it took a long time to go from single celled organisms to walking, talking and thinking humans.

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8y ago

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