The World of the Living

In this chapter, we will learn about weather and climate. It briefs the causes of changes in the weather. Here, we will also learn about the adaptation of various animals living in extremely hot, cold or dry climates.

This chapter explains the formation of soil, its profile, properties and types in detail with examples. It also includes an activity to study the various components of soil. Further, it discusses the causes of soil erosion and ways to conserve it.

In this chapter, we are going to learn about respiration and breathing and their differences. It explains the respiratory systems and the mechanism of breathing in humans and animals in detail. It also describes the process of respiration in plants.

This chapter deals with the transportation of substances in animals and plants. It discusses the circulatory system in humans and other animals. It also deals with the concept of disposing of waste materials in plants and animals.

In this chapter, we are going to study the asexual and sexual reproduction in plants with the help of neatly labelled diagrams and examples. It also discusses the methods of dispersal of seeds in detail.