Answer:
A. metabolism
Explanation:
Metabolism is the bodily process used to convert food into energy.
To survive, the body must use energy. Energy is important to perform daily tasks as big as moving and as small as undergoing mitosis. All of this energy comes from the food we eat.
Metabolism is a complex process that works to break down the calories within food and convert them into energy we can use.
My Answer: RNA molecules
Why?: " <span>Catalysts with this special self-promoting property can use raw materials to reproduce themselves and thereby divert these same materials from the production of other substances."
Hope I helped! :D</span>
Answer:
I would say B.By choosing cows that are high milk producers
this is just my guess tho
The answer is D: A gradual change in a species over time.