Carbohydrates, proteins, fats, vitamins and minerals are essential components of food, these components are called nutrients
Humans and animals are dependent directly or indirectly on plants for food
Nutrition is the mode of taking food by an organism and its utilisation by the body
Animals and most other organisms are called heterotrophs as they take in ready-made food prepared by the plants
Animal nutrition includes nutrient requirement, mode of intake of food and its utilisation in the body. Please refer Nutrition in Animals Class 7 Extra Questions for more information.
CBSE Revision Notes 