We know that the interaction among organisms and between the organism and its physical environment is called ecology. In this chapter, we are going to explore the ecology at organismic and population levels.
An ecosystem is the functional unit of nature. This topic describes the structure and function of ecosystem. It discusses the concepts related to ecosystem such as productivity, decomposition, energy flow, ecological pyramids, succession, etc.
This chapter describes the importance and different patterns of biodiversity. It also discusses the loss of biodiversity and the ways of its conservation.
This chapter discusses various environmental issues. Here, we discuss air and water pollution and its control, greenhouse effect and global warming, ozone layer depletion, deforestation, degradation of resources etc. in detail.
