We have heard—————————– these cycles. The environment is a very common word which is used in television, newspapers and by people around us. Elders tell us it is not the way it used to be, some say environment should be healthy. There are so many globals submits discussing on the environment. In the biogeochemical cycles, Continue reading

IN BETWEEN CHAPTER QUESTIONS What are microorganisms or microbes? Microorganisms or microbes are living organisms which cannot be seen through a naked eye. What are the major groups of microorganisms? Microorganisms are classified into four major groups : bacteria, fungi, protozoa and some algae. What are viruses? Viruses are microscopic and reproduce only inside the cells Continue reading