A tree of life depicting the hypothetical phylogeny of the three domains is shown above. At which letter is located the common ancestor that would contain membrane-bound organelles?
The eukaryotes are believed to be created from the fusion of different unicellular cells, by following the theory of endosymbiosis.
As, different organelle were once freely roaming organisms, while some of they had the proper amount of genetic material inside there nucleus and had a proper mechanism to obtain the specific level of energy and stability while being inside the environment.
