Nutrition
Nutrition is the process of taking food by an organism and utilization of food for energy. This is a vital process which helps living beings to obtain their energy from various sources. Nutrients are the substances which provide nutrition. All living organisms need nutrients for proper functioning and growth. But they show divergence in how they fulfill the demand. Some animals use simple inorganic compounds to obtain their food. While other animals use complex compounds as their source of food. The mode of nutrition varies from one species to another. Broadly there are two modes of nutrition among living organisms.
- Autotrophic mode
- Heterotrophic mode