Question

what happened if there had been no difference between mitochondria and plastids?

Answer 1

Both can make their own copies by division. The differences between mitochondria and plastids are as follows: Mitochondria helps in cellular respiration while plastids (chloroplast) helps in photosynthesis. ...Mitochondria are found in all eukaryotic cells but plastids are found only in algae and plant cells.

Hope this helps you