Explanation:
I'm pretty sure it's the plants.
The number of H+ ions moving down the channel.
So id say the answer is C.
Answer:
1. True
2. True
3. True
4. True
5. False
6. True
7. False
8. True
9. True
10. True
11. True
12. True
Explanation: some of these might be wrong so sorry if they are
Answer:
Your answer should be... Without them, complex organisms cannot perform different functions.