Question

Consider the mitochondria, chloroplast, and the cytoskeleton. Which of these were acquired by endosymbiosis?

Answer 1

The mitochondria and cytoplasm were once believed to be their own cell at one point. This is the endosymbiotic theory

Explanation:

This is because these single organelles alone are able to undergo complex functions (ATP). They are believed to be strong enough to once have been their own cell