. great increase in air, land and water pollution; no one to ensure proper disposal of toxic
The answer is D) the organ system.
Mitochondria in animal cells, while mitochondria and chloroplast in plant cells most closely resembled prokaryotes.
<h3>What do you mean by endosymbiotic theory?</h3>
This theory states that organelles such as mitochondria and chloroplast in eukaryotic cells were once prokaryotic microbes.
These organelles when occupied in prokaryotes divide by binary fission. But they become a part of the eukaryotic cell now and result in a symbiosis relationship between each other.
Therefore, Mitochondria in animal cells, while mitochondria and chloroplast in plant cells most closely resembled prokaryotes.
To learn more about Endosymbiotic theory, refer to the link:
brainly.com/question/1698852
