Compare and contrast: define a macronutrient and a micronutrient. what are the similarities and differences between the macronutrients? what are the similarities between the micronutrients?

The main difference between macronutrients and micronutrients is that human body requires macronutrients in larger quantities whereas micronutrients are needed in smaller quantities. The major macronutrients are carbohydrate, protein and fat which contribute to the bulk of our food.
 Meanwhile, micronutrients such as vitamins, minerals and phytochemicals are essential for maintaining a good health.

Macronutrients are chemical substances required for growth and other human body functions.
Micronutrients are chemical substances required for various functions of the body, growth, and disease prevention. Furthermore, they are essential for overall health of human beings.

The differences between macronutrients and micronutrients :

Macronutrients: “macro” indicates large and macronutrients are nutrients required in large amounts.

Micronutrients: “micro” indicates small and micronutrients are nutrients required in small amounts.