Question

According to the theory of _____________, mitochondria in cells today are the descendents of aerobic prokaryotes that used oxygen to generate energy.

A) endosymbiosis
B) ingestion
C) mutualism
D) parasitism

Answer 1

A

Step-by-step explanation:

Answer 2

Answer: A. endosymbiosis

The theory of endosymbiosis states that mitochondria in cells are once the descendants of aerobic prokaryotes. These prokaryotes used oxygen in order to generate energy. The mitochondria and the chloroplast are among the most important organelles that support endosymbiosis.