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You are here: Home / Science / Why Did Georges Cuvier Reject the Theory of Evolution and How Did Cuvier Show That Life Did Not Evolve?

Why Did Georges Cuvier Reject the Theory of Evolution and How Did Cuvier Show That Life Did Not Evolve?

June 7, 2020 by Karen Hill

Before Charles Darwin came up with his theory of evolution in 1859, biologists debated how to explain the similarity and diversity among animals, and Georges Cuvier was right in the middle of the debate.

Cuvier was brilliant at anatomy, but he made the mistake of dismissing evolution.

Both of France’s other leading biologists at the time, Jean-Baptiste de Lamarck and Geoffrey Saint-Hilaire, accepted some form of evolution, but Cuvier went in another direction.

The first reason Cuvier rejected evolution was Lamarck’s explanation for it at the time. Lamarck said animals pass on to their offspring characteristics they had acquired during their lives.

Cuvier did not believe this and the idea was later disproven.

The mechanism of heredity, a strong proof of evolution, had also not been discovered yet, so Cuvier proposed something he called “correlation of the parts.”

Cuvier’s theory stated that each species was created for its own special purpose and that each organ or part was created for its own special function.

He believed that the form and function of each of the different parts of an animal were an integral part of the whole animal, like the different parts of a clock.

No part could be modified without destroying the whole animal. Any change in an animal’s anatomy would result in its inability to survive in its environment.

Cuvier believed that all living things had stayed the same from the time they were created.

Cuvier found support for this idea by studying the preserved mummies of cats and ibises (wading birds) from Egypt. He showed that they were no different from the cats and ibises of his time despite the passage of thousands of years.

He did not realize how slowly the changes of evolution take place.

His emphasis on anatomy in studying animals led him to improve on the popular classification system created by Linnaeus in 1751.

He said animals had such diverse anatomy that they could not simply be arranged from simplest to most complex. He added four branches (now called phyla) to the system, each based on a similarity of anatomical structure.

Since Cuvier rejected evolution, he said the similarities in anatomy among the animals in each branch were due to their common function, not common ancestry as evolution later said.

More changes were made to the classification system after Darwin’s theory was published in 1859, but Cuvier’s idea of phyla is still part of the classification system.

Cuvier and Geoffrey Saint-Hilaire often engaged in public debates over evolution in 1830 at the Royal Academy of Sciences in Paris.

Related Facts

  • Who Was Georges Cuvier and What Was Cuvier’s Most Important Contribution To Paleontology?
  • What Is Catastrophism and What Is the Difference Between Catastrophism and Uniformitarianism?
  • How Did Georges Cuvier’s Students Play a Trick On Their Professor?
  • What Was the Advantage of Linnaeus’s Classification System For Plants and Animals and How Flexible Was It?
  • How Did Carl Linnaeus’ Work In Taxonomy Influence Charles Darwin and Did Linnaeus Believe In Evolution?
  • What Is Natural Selection and How Did Charles Darwin Develop the Theory of Evolution In 1838?

Filed Under: Science

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

Previous Post: « What Is Catastrophism and What Is the Difference Between Catastrophism and Uniformitarianism?
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