Respuesta :
D. Endosymbiotic theory.
It’s the theory that bacteria capable of combustion (mitochondrion) and photosynthesis (plastid) entered the ancestral eukaryote (for whatever reason) and was able to provide new functions for it
It’s the theory that bacteria capable of combustion (mitochondrion) and photosynthesis (plastid) entered the ancestral eukaryote (for whatever reason) and was able to provide new functions for it