Describe what endosymbiotic theory is. it is a theory that explains the evolutionary history of prokaryotic cells. early eukaryotes were able to engulf other eukaryotic cells resembling chloroplast and mitochondria forming an endosymbiotic relationship it is a theory that explains the evolutionary history of eukaryotic cells. early prokaryotes were able to engulf other prokaryotic cells resembling chloroplasts and mitochondria forming an endosymbiotic relationship.

The endosymbiotic theory is an evolutionary theory states the evolution of eukaryotic cell from the prokaryotic cells.

It was stated 1905 and 1910 by the Russian botanist. It holds mitochondrial plastids such as chloroplast and possibly the other organelles of the eukaryotic cells represents formerly free-living prokaryotes living one inside the other inside the body of prokaryotes.

The formation of eukaryotic organelles took place when the organelles of the prokaryotic cells combined together.

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