Answer:
The answer would be D) The first eukaryote was capable of phagocytosis.
Explanation:
The lack of cell wall would facilitate the phagocytosis of other organisms, and therefore also the incorporation of these new organisms as new organelles (endosymbiotic theory), also the fact that most ancient eukaryotes are unicellular supports the idea of phagocytosis, due to the fact that this process is usually considered for unicellular organisms.
