Which of the following is not supported by the endosymbiotic theory?

(a) ancient prokaryotes ingested the smaller prokaryotes in a parasitic relationship.

(b) ancient aerobic prokaryotes that lived in community inside other prokaryotes evolved into mitochondria.

(c) ancient photosynthetic prokaryotes evolved into modern chloroplasts.

(d) ancient prokaryotes that became mitochondria lost their individual abilities but remained able to reproduce.