Chloroplasts and mitochondria originated from ________ by a process known as ________.
A. bacteria / chromosome reduction
B. plants / gene deletion
C. bacteria / endosymbiosis
D. plants / endosymbiosis
Answer:C
Chloroplasts and mitochondria originated from ________ by a process known as ________.
A. bacteria / chromosome reduction B. plants / gene deletion C. bacteria / endosymbiosis D. plants / endosymbiosis