Question

multiple select question select all that apply select all of the following that are thought to have arisen by endosymbiosis of free - living bacteria. □ chloroplasts □ mitochondria □ golgi apparatus □ ribosomes

Explanation:

The endosymbiotic theory posits that mitochondria and chloroplasts originated from free - living bacteria that were engulfed by a host cell. Ribosomes and Golgi apparatus did not arise this way. Mitochondria are thought to have been aerobic bacteria, and chloroplasts are thought to have been photosynthetic bacteria.

Answer:

C. mitochondria
D. chloroplasts