The endosymbiotic theory states that chloroplasts and mitochondria evolved as a result of
a prokaryotic cell engulfing a bacterial cell.
a eukaryotic cell engulfing a bacterial cell.
a bacterial cell engulfing a prokaryotic cell.
a bacterial cell engulfing a eukaryotic cell.
a prokaryotic cell engulfing a bacterial cell.
a eukaryotic cell engulfing a bacterial cell.
a bacterial cell engulfing a prokaryotic cell.
a bacterial cell engulfing a eukaryotic cell.