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Makenzieluvs2dance

Answer: There is compelling evidence that mitochondria and chloroplasts were once primitive bacterial cells.

Explanation: This evidence is described in the endosymbiotic theory.

simplistickid

Answer:

The outer and inner membrane of chloroplasts and mitochondria are different from each other. The outer layer resembles the eukaryotic membrane, while the inner layer resembles the ancient prokaryotic membrane.

Explanation: Hope this helps.