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Endosymbiotic Theory and the Evolution of Eukaryotes
Three hypotheses of eukaryotic and prokaryotic evolution
Three alternate hypotheses of eukaryotic and prokaryotic evolution are (a) the nucleus-first hypothesis, (b) the mitochondrion-first hypothesis, and (c) the eukaryote-first hypothesis.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Perspectives on the Phylogenetic Tree. October 16, 2013."
http://cnx.org/content/m44593/latest/Figure_20_03_04.jpg
OpenStax CNX
CC BY 3.0.