Published On: Sun, Sep 22nd, 2013

How did Darwin explain the distribution of plants and animals?

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Before Darwin’s Theory of Evolution was accepted, people believed that good created each species to suit the specification of the area it lived in. However , the puzzling distribution of plants and animals in South America and the Galapagos made Darwin question how species originated. If each plant and animal was created to match its habitat, why didn’t the same species appear in similar environments?

As Darwin would later come to realize, if the two species had arisen from a single common ancestor, it would make sense for them to live close together. The pattern of geographic separation he observed was exactly what one would predict if new species evolved from existing ones. Darwin was able to show that migration and evolution are the most logical explanation for the patterns of distribution of plants and animals that are seen on the planet.

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