How did animal cells acquire mitochondria​

Mitochondria originated by a endosymbiotic event when a bacterium was captured by a eukaryotic cell. ... Two changes must have occurred as the bacterium became integrated into the recipient cell and evolved into the mitochondrion (or chloroplast).

answer; (b) i believe the correct answer is : /eliminate health disparities and improve the health of all population groups;

answer; im thinking (france);