Answer:
According to this theory mitochondria evolved from bacteria and somehow became incorporated into the cytoplasm.
Step-by-step explanation:
i don't know which theory ur talking about but this theory is the endosymbiotic theory
Answer: Mitochondria evolved from endosymbiotic prokaryotes that were able to use oxygen to generate energy rich ATP. To prokaryotes then evolved into mitochondria that now power the cells of all multicellular organisms.
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