The three main nutrients used for energy are carbohydrates, protein, and fats, with carbohydrates being the most important source. Your body can also use protein and fats for energy when carbs have been depleted. When you eat, your body breaks down nutrients into smaller components and absorbs them to use as fuel.
Answer:
Competition. Additionally, with competition comes <u>survival of the fittest</u>.
Explanation:
Competition is formed when more than one species must fight for the same resource/commodity.
It’s called a cell hopes this helps
