Answer:
Macronutrients are defined as those nutrients that supply the body with calories (Protein, Fat, Carbohydrates).
Micronutrients are those nutrients that the organism needs in smaller amounts than Macronutrients (Vitamins are Minerals in humans and animals and Minerals in plants)
Explanation:
The nutrients are divided into two catogories, which are:
A. Macronuetrients.
B. Micronutrients.
Below you can find the definition of each one of them:
A. Macronutrients are defined as those nutrients that supply the body with calories, that's why the body needs them in large amounts.
There are three Macronutrients. These are:
1. Protein.
2. Fat.
3. Carbohydrates.
B. Micronutrients are defined are those nutrients that the organism needs in smaller amounts than Macronutrients.
In humans and animals Micronutrients are also known as "Vitamins and Minerals". They are essential to keep us alive, because they mantain the metabolic and physiological function of our organism.
Inr plants, Micronutrients are all minerals and are essential for plant growth.
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Renewable energy is exactly what it says -- it's renewable. Meaning, you can continue to reuse it or make more of it in a never ending cycles. Examples of a renewable energy could be trees (wood). You can keep growing trees and harvesting them.
Fossil fuels are things like oil or petroleum, they cannot be "grown" again, and are a one-time use.
Renewable energy has more benefits then that of fossil fuels because you can reuse renewable energy and keep the never-ending circle of energy going, unlike fossil fuels which can run out.
Cells are the basic unit of life, which carries several cell organelles specialized in their functions. The cells function similarly as the factory would work.
Thus, the cell works similarly to that of the factory, in which each organelle is developed to carry out different functions.
Learrn more about cell working here: