Answer:cellular respiration is a process by which cells use oxygen to produce energy from food.
This happens in the mitochondria
Absorbing prokaryotic cells. This theory is called the endosymbiotic theory.
The early prokaryotic cells that were absorbed likely evolved into mitochondria and chloroplasts, membrane-bound organelles with their own DNA in single chromosomes and their own ribosomes.
Answer:
i believe the answer is jellyfish im sorry if its wrong
Explanation:
