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The Beak of the Finch Chapter Summary & Analysis - Part 2, Chapter 11 Summary

Jonathan Weiner
This Study Guide consists of approximately 51 pages of chapter summaries, quotes, character analysis, themes, and more - everything you need to sharpen your knowledge of The Beak of the Finch.
This section contains 666 words
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Part 2, Chapter 11 Summary

Darwin did not believe hybrids created new species. It may have helped the process, but natural selection had already started. Even though he used the knowledge of many breeders for information for "The Origin," he did not think hybridization played a significant role in evolution.

Raymond Pearl, a geneticist from America believed as Darwin; however, after much research and discussion with breeders, Pearl ended up believing that hybridization played a more significant role in evolution than did natural selection.

The Grants have seen from their own research that not only is natural selection and hybridization equally important, but that they work together to cause evolutionary changes in races.

The Grants have seen two types of boundaries that affect Darwin's finches. One is the boundary of the island. The other is the boundary of the species. The species' boundaries are evident during the mating...

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This section contains 666 words
(approx. 3 pages at 300 words per page)
Purchase our The Beak of the Finch Study Guide
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The Beak of the Finch from BookRags and Gale's For Students Series. ©2005-2006 Thomson Gale, a part of the Thomson Corporation. All rights reserved.
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