Answer:
as electrons move through the electron transport chain they go from a higher to a lower energy level and are ultimately passed to oxygen (forming water). Energy released in the electron transport chain is captured as a proton gradient, which powers production of ATP by a membrane protein called ATP synthase
Due to a page error, I attach the answer in a word file.
Answer:
Level 1...Plants and algae make their own food and Plants and algae make their own food and are called producers.
5: true
6: Oxygen
7: H+
8: true