Energy needs Birds because they are warm-blooded and have powerful muscles to beat their wings. Birds must eat food with a high energy content. .the seeds soften and become easier to digest.
Answer:
Thorns and colour.
Explanation:
The thorns are there to protect the stem from being cut or wild animals trying to eat it.
The colour is there to attract insects and pollinators to come and spread pollen.
All the options are incorrect. The correct answer will be THE NUMBER OF HYDROGEN IONS MOVING DOWN THE PROTEIN CHANNEL.
A proton pump is found in the inner membrane of mitochondria which is also known as hydrogen ion pump. The hydrogen ion is pumped across the inner mitochondrial membrane depending on the proton gradient.
I think the answer is C. increasing cellular respiration in muscle tissues
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