The World of the Living

This chapter deals with the climate and factors affecting it, along with a note on weather, temperature and humidity. It also explains the adaptations of animals to different climates and the process of migration.

In this chapter, we will learn about the formation, profile, composition, types and properties of soil in detail. It also explains the fertility of the soil. Further, it discusses soil pollution and soil erosion and their preventive measures.

This chapter discusses the concept of respiration. Here, it presents the difference between breathing and respiration. It describes the respiratory systems in animals and humans. It also briefs the process of respiration in plants.

In this chapter, we will study the transport of substances in animals and plants along with a detail on the human circulatory system. We will also learn the process of excretion in humans and plants with supportive diagrams.

In this chapter, we will study about sexual and asexual reproduction in plants with neatly labelled diagrams. The process of pollination and fertilisation and the process of seed dispersal have also been explained here.