Era, relationship, and the condition on earth Students Name Institution Affiliation Era, relationship, and the condition on earth Endosymbiosis theory explains the double membrane fusion with double membrane and of the chloroplasts and the mitochondria. Endocytosis over the years is postulated to have resulted in this fusion between the blue-green algae and the bacteria over time. The process involves gaining entry into a cell without piercing the cell membrane. The plasma of the cell membrane engulfs the foreign material locking it inside and as a result, an intercellular vesicle form. The chloroplasts and the mitochondria resemble those of the prokaryotic ribosomes. The existence of the...