Answer:
I believe the correct answer to your question is D
Body part, behavioral adaptations, or by whole body descriptions
It is only 10% efficient because the majority of the energy is converted. Some is lost in heat, some is not processed at all. Mostly a lot of energy is used to regenerate ATP.
Answer:
Bacteria
Explanation:
Their cell wall is made of this and they are also unicellular. They eat other things and cannot make their own food
