Lynn Margulis (born 1938) is a biologist and a professor at the University of Massachusetts Amherst.
Lynn Margulis
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Lynn Margulis, Five Kingdoms: An Illustrated Guide to the Phyla of Life on Earth, 3rd ed., St. Martin's Press, 1997, paperback, ISBN 0805072527 (many other editions) ...
During the 1980s, Lynn Margulis proposed the theory of endosymbiosis to explain the origin of mitochondria and chloroplasts from permanent resident prokaryotes.
This view, championed by Lynn Margulis, speculates that these ATP-producing organelles were once free-living prokaryotes that were engulfed by a proto-eukaryote - an idea now strongly supported.
The symbiotic model proposed by American biologist Lynn Margulis suggests possible symbiosis of bacteria within early eukaryotic cells.
Lynn Margulis thinks most speciation events are caused by changes in internal symbionts. Populations of organisms are very complicated. It is likely that there are many ways speciation can occur.
 See also: Organ, Biology, Origin, Bacteria, Evolution
  
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