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1. • Theory of symbiogenesis

     • Margulis was best known for her theory of symbiogenesis, which challenges central tenets of neo-Darwinism. She argued that inherited variation, significant in evolution, does not come mainly from random mutations. Rather, new tissues, organs, and even new species evolve primarily through the long-lasting intimacy of strangers.
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     Lynn Margulis (1938-2011) - NASA Science

2. People also ask

   Why is Margulis important?

   • In particular, Margulis transformed and fundamentally framed current understanding of the evolution of cells with nuclei – an event Ernst Mayr called "perhaps the most important and dramatic event in the history of life" – by proposing it to have been the result of symbiotic mergers of bacteria.

   Lynn Margulis - Wikipedia

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   Did Margulis believe in symbiosis?

   • After all, that’s just what you’d expect from a symbiotic partner. Margulis spent much of the rest of the 1960s honing her argument that symbiosis (see figure, below) was an unrecognized but major force in the evolution of cells. In 1970 she published her argument in The Origin of Eukaryotic Cells.

   Endosymbiosis: Lynn Margulis - Understanding Evolution

   evolution.berkeley.edu/the-history-of-evolutionary-thought/1900-to-present/endosymbiosis-lynn-margulis/

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   What did Margulis study in the 1960s?

   • In the late 1960s Margulis (left) studied the structure of cells. Mitochondria, for example, are wriggly bodies that generate the energy required for metabolism. To Margulis, they looked remarkably like bacteria. She knew that scientists had been struck by the similarity ever since the discovery of mitochondria at the end of the 1800s.

   Endosymbiosis: Lynn Margulis - Understanding Evolution

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   How many research papers did Margulis write?

   • Margulis authored and co-authored hundreds of research papers, reviews, non-technical articles and many books, including "Symbiotic Planet: A New Look at Evolution" and "Acquiring Genomes: A Theory of the Origin of the Species."

   Lynn Margulis (1938-2011) - NASA Science

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3. www.britannica.com › biography › Lynn-MargulisLynn Margulis | American Microbiologist & Evolutionary ...

   www.britannica.com › biography › Lynn-Margulis

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   May 1, 2024 · Lynn Margulis (born March 5, 1938, Chicago, Illinois, U.S.—died November 22, 2011, Amherst, Massachusetts) was an American biologist whose serial endosymbiotic theory of eukaryotic cell development revolutionized the modern concept of how life arose on Earth. Margulis was raised in Chicago.

4. en.wikipedia.org › wiki › Lynn_MargulisLynn Margulis - Wikipedia

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   Lynn Margulis (born Lynn Petra Alexander; March 5, 1938 – December 22, 2011) was an American evolutionary biologist, and was the primary modern proponent for the significance of symbiosis in evolution.

5. Videos

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     The Complicated Legacy of Lynn Margulis

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     Lynn Margulis - National Science and Technology Medals Foundation

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     Lynn Margulis on her life, Symbiogenesis, Gaia Theory, Scienctific Practice and Effects of Money

     Dec 18, 2011

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6. evolution.berkeley.edu › the-history-ofEndosymbiosis: Lynn Margulis - Understanding Evolution

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   Margulis has maintained that earlier symbioses helped to build nucleated cells. For example, spiral-shaped bacteria called spirochetes were incorporated into all organisms that divide by mitosis. Tails on cells such as sperm eventually resulted. Most researchers remain skeptical about this claim.

7. www.nature.com › articles › 480458aLynn Margulis (1938–2011) | Nature

   www.nature.com › articles › 480458a

   Dec 21, 2011 · Lynn Margulis was an independent, gifted and spirited biologist who learned as early as the fourth grade to “tell bullshit from ... real authentic experience”, as she put it in a 2004 interview.

   • Author: James A. Lake
   • Email: lake@mbi.ucla.edu

   • Publish Year: 2011

8. www.ncbi.nlm.nih.gov › pmc › articlesLynn Margulis and the endosymbiont hypothesis: 50 years later

   www.ncbi.nlm.nih.gov › pmc › articles

   May 5, 2017 · The 1967 article “On the Origin of Mitosing Cells” in the Journal of Theoretical Biology by Lynn Margulis (then Lynn Sagan) is widely regarded as stimulating renewed interest in the long-dormant endosymbiont hypothesis of organelle origins.

   • Author: Michael W. Gray

   • Publish Year: 2017

9. science.nasa.gov › people › lynn-margulisLynn Margulis (1938-2011) - NASA Science

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   Internationally renowned evolutionary biologist and author Lynn Margulis, a Distinguished University Professor of Geosciences at the University of Massachusetts Amherst and a National Medal of Science recipient, died Nov. 22, 2011 at her home in Amherst.

10. theconversation.com › symbiosis-and-cell-evolutionSymbiosis and cell evolution: Lynn Margulis and the origin of ...

    theconversation.com › symbiosis-and-cell-evolution

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    Nov 22, 2017 · Lynn Margulis (1938-2011) was a courageous scholar whose remarkable work on the role of symbiosis in evolution stands as a magisterial contribution of science.