Chloroplasts and mitochondria are considered endosymbionts in cells. Bacteria are thought to be eaten by normal cells in the process of endophagocytosis. Some of the bacteria eaten evolve to form mitochondria and chloroplasts.
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Chloroplasts and mitochondria are considered endosymbionts in cells. Bacteria are thought to be eaten by normal cells in the process of endophagocytosis. Some of the bacteria eaten evolve to form mitochondria and chloroplasts.