Which theory states that eukaryotic organelles originated as prokaryotes that survived ingestion by a host cell and ultimately evolved mutualistic relationships with the host cell?
A) endosymbiont theory
B) heterosymbiont theory
C) obligative symbiotic theory
D) facultative symbiotic theory
E) autotrophic symbiotic theory

Question

Quizplus · Accepted Answer

The endosymbiont theory suggests that eukaryotic organelles like mitochondria and chloroplasts originated from free-living prokaryotes that were engulfed by a host cell and developed a symbiotic relationship.

Which Theory States That Eukaryotic Organelles Originated as Prokaryotes That