According to the endosymbiotic theory, some organelles are believed to have evolved through a symbiotic relationship between eukaryotic and prokaryotic cells. describe three observations that support the endosymbiotic theory.

According to the endosymbiotic theory, mitochondria and chloroplasts are organelles that evolved through a symbiotic relationship between eukaryotic and prokaryotic cells.

The endosymbiotic theory proposes that mitochondria and chloroplasts were once aerobic bacteria, which were ingested by anaerobic bacteria and these types of cells then started a symbiotic relationship.

The lines of evidence that support the endosymbiotic theory include:

In conclusion, according to the endosymbiotic theory, mitochondria and chloroplasts are organelles that evolved through a symbiotic relationship between eukaryotic and prokaryotic cells.

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