Ecology

This chapter explains the notion of population of various organisms. It details the branches of ecology and levels of ecological organisation. It covers the ecological adaptations, factors affecting population and growth of human population.

This chapter explains the significance and constituents of an ecosystem. It details the ecological succession and general processes of succession. The process of biological succession on a bare rock and in a newly-formed pond is also discussed.

This chapter elaborates on the meaning and significance of a biome. It also explains the biogeochemical cycle and its importance.

This chapter describes the meaning and necessity of biodiversity. It describes the need of conservation of biodiversity and wildlife in particular.

This chapter makes us aware about the menacing issues related to our environment. It explains the harmful effects of pollutants. It details the types of pollutants and various kinds of pollution caused by them. Radioactive pollution is also covered.

This chapter explains the biotic resources present in our environment. It details the measures of conservation of natural resources and why is it important to conserve them.