The endosymbiotic theory help to explain origin of Mitochondria .
What is endosymbiotic relationship ?
"Endosymbiosis is a mutually beneficial relationship between a host organism and an internal associate organism".
How does endosymbiotic theory explain mitochondria?
The endosymbiotic hypothesis for the origin of mitochondria (and chloroplasts) suggests that mitochondria are descended from specialized bacteria (probably purple non sulfur bacteria) that somehow survived endocytosis by another species of prokaryote or some other cell type, and became incorporated into the cytoplasm.
Hence, option A is correct
To learn more about endosymbiosis ,here
https://brainly.com/question/15829977
#SPJ2
