Food

Through this chapter, we will learn the mode of nutrition in plants and photosynthesis, food making in plants. It explains the other modes of nutrition in plants with a brief on saprophytes. We will also learn how nutrients are replenished in soil.

This topic explains the classification of animals based on their food habits. It describes the various steps involved in animal nutrition, the process of digestion in unicellular and multicellular organisms, and the digestive system in humans.