feb 27, 1967 - Lynn Margulis - Endosymbiosis
Description:
Substantiated the theory that mitochondria and other organelles in cells started out as other entities before being assimilated. Also called symbiogenesis.
Source: https://www.umass.edu/newsoffice/article/lynn-margulis-renowned-evolutionary-biologist-and-author-umass-amherst-dead-73
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