Why is it incorrect to say that mitochondria function only as energy factories with cell

it is so because instead of producing energy in the form of ATP, Mitochondria also helps in cellular respiration. The multi-compartment structure of the mitochondrion is useful for respiration as it allows the separation between different kind of reactions. It also helps in maintaining the concentration of different molecules in its multi compartments.

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?