1) Eubacteria.
https://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Collapsed_tree_labels_simplified.png/400px...
The answer is D. It’s controlled by the enteric nervous system (ENS)
They gives us oxygen, they store carbon for us, and they provide materials for tools and shelter for us.
Animals have Mitochondria that use the sugars provided by plants to produce their own cellular energy :)