There are two types of nutrition :-
1. Autotrophic:- animals with such kind of nutrition are able to make there own food.
2. Heterotrophic:- animal with such kind of nutrition are dependent on other sources for there nutrition.
Components of food are:-
1. Carbohydrates.
2. Fat.
3. Protein.
4. Minerals.
5. Water.
6. Roughage.
7. Vitamins.