According to the Endosymbiont Hypothesis,eukaryotic Cells Evolved as a Consequence

Question

According to the endosymbiont hypothesis,eukaryotic cells evolved as a consequence of ____.  
A) the cyclic pathway of photosynthesis
B) anaerobic respiration
C) cell division
D) mutual dependency
E) chemosynthesis

Accepted Answer

According to the endosymbiont hypothesis, eukaryotic cells evolved as a consequence of mutual dependency between ancestral prokaryotic cells, leading to their symbiotic relationship and eventually resulting in the development of complex eukaryotic cells.